Patent US5593929A successfully refreshed from Google Patents.
US5593929A
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Ultraviolet absorbing green tinted glass
Assignee: Vitro SAB de CV
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Filing: 1992-11-13
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Granted: 1997-01-14
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Expires: 2012-11-13
Abstract
Abstract A green tinted, ultraviolet absorbing glass is disclosed having a standard soda-lime-silica base glass composition and a colorant portion consisting essentially of on a weight basis: less than 2.0% TiO2 and greater than 0.6% total iron (expressed as Fe2O3) with the ratio of FeO/total iron less than 0.35. The glass exhibits an ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and a luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Inventors
- 👤 John F. Krumwiede
- 👤 Joseph A. Gulotta
- 👤 Larry J. Shelestak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:31
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/095; C03C3/083; C03C3/085; C03C3/087; C03C4/00; C03C4/02; C03C4/08; C03C4/085; Y; Y10; Y10S; Y10S501/00; Y10S501/90; Y10S501/905
Claims Analysis
Total Claims: 134
Claim 1
Independent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 ,0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 2
Dependent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 ,0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 3
Dependent Claim
43 words
The glass as in claim 1 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 4
Dependent Claim
40 words
The glass as in claim 2 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 5
Dependent Claim
44 words
The glass as in claim 1 wherein said colorant is 0.8 to 0.95% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.50% TiO 2 at a thickness of 0.154 inches.
Claim 6
Dependent Claim
39 words
The glass of claim 4 wherein said colorant portion is 0.807 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.252 to 0.285 and 0.15 to 0.42% TiO 2 .
Claim 7
Dependent Claim
47 words
The glass as in claim 1 wherein said colorant is greater than 0.6 up to 0.8% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 at a thickness of 0.189 inches.
Claim 8
Dependent Claim
39 words
The glass of claim 6 wherein said colorant portion is 0.65 to 0.764% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.280 and 0.15 to 0.52% TiO 2 .
Claim 9
Dependent Claim
144 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 10
Dependent Claim
144 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 11
Dependent Claim
43 words
The glass as in claim 8 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 12
Dependent Claim
43 words
The glass as in claim 9 wherein said colorant portion is greater than 0.65 up to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 13
Dependent Claim
18 words
The glass as in claim 8 wherein the glass has an excitation purity of greater than 1 percent.
Claim 14
Dependent Claim
18 words
The glass as in claim 11 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 15
Dependent Claim
135 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15%, CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 16
Dependent Claim
135 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15%, CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 17
Dependent Claim
43 words
The glass as in claim 13 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 18
Dependent Claim
40 words
The glass as in claim 14 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.285 and 0.15 to 0.52% TiO 2 .
Claim 19
Dependent Claim
45 words
The glass as in claim 13 wherein said colorant portion is 0.8 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.5% TiO 2 at a thickness of 0.154 inches.
Claim 20
Dependent Claim
40 words
The glass as in claim 16 wherein said colorant portion is 0.807 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.252 and 0.285 and 0.15 to 0.42% TiO 2 .
Claim 21
Dependent Claim
48 words
The glass as in claim 13 wherein said colorant portion is greater than 0.6 up to 0.8 total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.60% TiO 2 at a thickness of 0.189 inches.
Claim 22
Dependent Claim
40 words
The glass as in claim 18 wherein said colorant portion is 0.65 to 0.764% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.280 and 0.15 to 0.52% TiO 2 .
Claim 23
Dependent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 24
Dependent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 25
Dependent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5%, to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 3 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 3 O 3 ) with a ratio of FeO/total iron less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 26
Dependent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5%, to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 3 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 3 O 3 ) with a ratio of FeO/total iron less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 27
Dependent Claim
145 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 28
Dependent Claim
145 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 29
Dependent Claim
43 words
The glass as in claim 22 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.60% TiO 2 .
Claim 30
Dependent Claim
40 words
The glass as in claim 23 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.285 and 0.15 to 0.52% TiO 2 .
Claim 31
Dependent Claim
18 words
The glass as in claim 22 wherein the glass has an excitation purity of greater than 1 percent.
Claim 32
Dependent Claim
18 words
The glass as in claim 25 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 33
Dependent Claim
143 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, ion a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 34
Dependent Claim
143 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, ion a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 35
Dependent Claim
18 words
The glass as in claim 27 wherein the glass has an excitation purity of greater than 1 percent.
Claim 36
Dependent Claim
18 words
The glass as in claim 28 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 37
Dependent Claim
142 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70% at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 38
Dependent Claim
142 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers), a total solar energy transmittance less than 45 percent, and luminous transmittance (illuminant A) of at least 70% at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 39
Dependent Claim
18 words
The glass as in claim 30 wherein the glass has an excitation purity of greater than 1 percent.
Claim 40
Dependent Claim
18 words
The glass as in claim 31 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 41
Dependent Claim
136 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 42
Dependent Claim
136 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 43
Dependent Claim
40 words
The glass as in claim 33 wherein said colorant portion is 0.65 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 44
Dependent Claim
40 words
The glass as in claim 34 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 45
Dependent Claim
44 words
The glass as in claim 33 wherein said colorant is 0.8 to 0.95% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.50% TiO 2 at a thickness of 0.154 inches.
Claim 46
Dependent Claim
39 words
The glass of claim 36 wherein said colorant portion is 0.807 to 0.925% total iron expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.252 to 0.285 and 0.15 to 0.42% TiO 2 .
Claim 47
Dependent Claim
44 words
The glass as in claim 33 wherein said colorant is 0.65 to 0.8% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 at a thickness of 0.189 inches.
Claim 48
Dependent Claim
39 words
The glass of claim 38 wherein said colorant portion is 0.65 to 0.764% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.280 and 0.15 to 0.52% TiO 2 .
Claim 49
Dependent Claim
22 words
The glass of claim 33 wherein the glass exhibits a total solar energy transmittance less than 45 percent within said thickness range.
Claim 50
Dependent Claim
146 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 51
Dependent Claim
146 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 52
Dependent Claim
40 words
The glass as in claim 41 wherein said colorant portion is 0.65 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 53
Dependent Claim
40 words
The glass as in claim 42 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 54
Dependent Claim
18 words
The glass as in claim 41 wherein the glass has an excitation purity of greater than 1 percent.
Claim 55
Dependent Claim
18 words
The glass as in claim 44 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 56
Dependent Claim
137 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 57
Dependent Claim
137 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 58
Dependent Claim
40 words
The glass as in claim 46 wherein said colorant portion is 0.65 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 59
Dependent Claim
40 words
The glass as in claim 47 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.285 and 0.15 to 0.52% TiO 2 .
Claim 60
Dependent Claim
45 words
The glass as in claim 46 wherein said colorant portion is 0.8 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.5% TiO 2 at a thickness of 0.154 inches.
Claim 61
Dependent Claim
40 words
The glass as in claim 49 wherein said colorant portion is 0.807 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.252 and 0.285 and 0.15 to 0.42% TiO 2 .
Claim 62
Dependent Claim
45 words
The glass as in claim 46 wherein said colorant portion is 0.65 to 0.8 total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.60% TiO 2 at a thickness of 0.189 inches.
Claim 63
Dependent Claim
40 words
The glass as in claim 51 wherein said colorant portion is 0.65 to 0.764% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.280 and 0.15 to 0.52% TiO 2 .
Claim 64
Dependent Claim
22 words
The glass as in claim 46 wherein the glass exhibits a total solar energy transmittance less than 45% within said thickness range.
Claim 65
Dependent Claim
135 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5% to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than or equal to 0.65 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 66
Dependent Claim
135 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5% to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than or equal to 0.65 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 67
Dependent Claim
147 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 68
Dependent Claim
147 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than or equal to 0.65% with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 69
Dependent Claim
40 words
The glass as in claim 55 wherein said colorant portion is 0.65 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.60% TiO 2 .
Claim 70
Dependent Claim
40 words
The glass as in claim 56 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.285 and 0.15 to 0.52% TiO 2 .
Claim 71
Dependent Claim
18 words
The glass as in claim 55 wherein the glass has an excitation purity of greater than 1 percent.
Claim 72
Dependent Claim
18 words
The glass as in claim 58 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 73
Dependent Claim
144 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than or equal to 0.65 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70% at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 74
Dependent Claim
144 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than or equal to 0.65 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.20 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70% at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 75
Dependent Claim
18 words
The glass as in claim 60 wherein the glass has an excitation purity of greater than 1 percent.
Claim 76
Dependent Claim
18 words
The glass as in claim 61 wherein the glass as an excitation purity from 2 to 4 percent.
Claim 77
Dependent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 78
Dependent Claim
133 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 79
Dependent Claim
43 words
The glass as in claim 63 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 80
Dependent Claim
40 words
The glass as in claim 64 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 81
Dependent Claim
44 words
The glass as in claim 63 wherein said colorant is 0.8 to 0.95% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.5)% TiO 2 at a thickness of 0.154 inches.
Claim 82
Dependent Claim
39 words
The glass of claim 66 wherein said colorant portion is 0.807 to 0.925% total iron expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.252 to 0.285 and 0.15 to 0.42% TiO 2 .
Claim 83
Dependent Claim
47 words
The glass as in claim 63 wherein said colorant is greater than 0.6 up to 0.8% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 at a thickness of 0.189 inches.
Claim 84
Dependent Claim
39 words
The glass of claim 68 wherein said colorant portion is 0.65 to 0.764% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.280 and 0.15 to 0.52% TiO 2 .
Claim 85
Dependent Claim
21 words
The glass of 63 wherein the glass exhibits a total solar energy transmittance less than 45 percent within said thickness range.
Claim 86
Dependent Claim
21 words
The glass of 63 wherein the glass exhibits a total solar energy transmittance less than 45 percent within said thickness range.
Claim 87
Dependent Claim
143 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 88
Dependent Claim
143 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in a sufficient amount but less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 89
Dependent Claim
43 words
The glass as in claim 71 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 90
Dependent Claim
43 words
The glass as in claim 72 wherein said colorant portion is greater than 0.65 up to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 91
Dependent Claim
18 words
The glass as in claim 71 wherein the glass has an excitation purity of greater than 1 percent.
Claim 92
Dependent Claim
18 words
The glass as in claim 74 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 93
Dependent Claim
134 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 94
Dependent Claim
134 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 95
Dependent Claim
43 words
The glass as in claim 76 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 96
Dependent Claim
40 words
The glass as in claim 77 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.285 and 0.15 to 0.52% TiO 2 .
Claim 97
Dependent Claim
45 words
The glass as in claim 76 wherein said colorant portion is 0.8 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.5% TiO 2 at a thickness of 0.154 inches.
Claim 98
Dependent Claim
40 words
The glass as in claim 79 wherein said colorant portion is 0.807 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.252 and 0.285 and 0.15 to 0.42% TiO 2 .
Claim 99
Dependent Claim
48 words
The glass as in claim 76 wherein said colorant portion is greater than 0.6 up to 0.8 total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.60% TiO 2 at a thickness of 0.189 inches.
Claim 100
Dependent Claim
40 words
The glass as in claim 81 wherein said colorant portion is 0.65 to 0.764% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.280 and 0.15 to 0.52% TiO 2 .
Claim 101
Dependent Claim
22 words
The glass as in claim 76 wherein the glass exhibits a total solar energy transmittance less than 45% within said thickness range.
Claim 102
Dependent Claim
132 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5% to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 103
Dependent Claim
132 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5% to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 104
Dependent Claim
132 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 105
Dependent Claim
132 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of total iron (expressed as Fe 2 O 3 ) in an amount greater than 0.6% with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35, and TiO 2 in an amount from 0.05% to less than 2% to produce glass exhibiting ultraviolet transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 106
Dependent Claim
43 words
The glass as in claim 85 wherein said colorant portion is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 and 0.29 and 0.05 to 0.60% TiO 2 .
Claim 107
Dependent Claim
40 words
The glass as in claim 86 wherein said colorant portion is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 and 0.285 and 0.15 to 0.52% TiO 2 .
Claim 108
Dependent Claim
18 words
The glass as in claim 85 wherein the glass has an excitation purity of greater than 1 percent.
Claim 109
Dependent Claim
18 words
The glass as in claim 88 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 110
Dependent Claim
140 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant) of at least 70% at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 111
Dependent Claim
140 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6 up to 0.85% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron of greater than or equal to 0.24 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant) of at least 70% at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 112
Dependent Claim
18 words
The glass as in claim 90 wherein the glass has an excitation purity of greater than 1 percent.
Claim 113
Dependent Claim
18 words
The glass as in claim 91 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 114
Dependent Claim
124 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 115
Dependent Claim
124 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches.
Claim 116
Dependent Claim
134 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 117
Dependent Claim
134 words
A green tinted, ultraviolet absorbing, soda lime silica glass composition comprising, on a weight percent basis, 66 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of TiO 2 in an amount from 0.05 to less than 2% and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with a ratio of FeO/total iron from 0.275 to less than 0.35 and exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength from 495 to 535 nanometers.
Claim 118
Dependent Claim
18 words
The glass as in claim 94 wherein the glass has an excitation purity of greater than 1 percent.
Claim 119
Dependent Claim
18 words
The glass as in claim 95 wherein the glass has an excitation purity from 2 to 4 percent.
Claim 120
Independent Claim
150 words
A method of producing green tinted, ultraviolet absorbing glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches, comprising: melting and forming soda lime silica glass having a composition comprising, on a weight percent basis, 65 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of less than 2.0% TiO 2 and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron less than 0.35, said glass having a luminous transmittance less than 70 percent; and tempering said glass to increase said luminous transmittance to a value greater than 70 percent.
Claim 121
Independent Claim
150 words
A method of producing green tinted, ultraviolet absorbing glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches, comprising: melting and forming soda lime silica glass having a composition comprising, on a weight percent basis, 65 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of less than 2.0% TiO 2 and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron less than 0.35, said glass having a luminous transmittance less than 70 percent; and tempering said glass to increase said luminous transmittance to a value greater than 70 percent.
Claim 122
Dependent Claim
37 words
The method as in claim 97 herein said melting and forming step produces glass having ultraviolet transmittance greater than 38 percent and said tempering step reduces said ultraviolet transmittance to a value no greater than 38 percent.
Claim 123
Dependent Claim
65 words
The method of claim 97 wherein said ultraviolet transmittance is no greater than 38 percent and said luminous transmittance is at least 70 percent at a reference thickness of 0.154 inches and said colorant portion is 0.8 to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.50% TiO 2 .
Claim 124
Dependent Claim
37 words
The method of claim 99 wherein said colorant portion is 0.807 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.252 to 0.285 and 0.15 to 0.42% TiO2.
Claim 125
Dependent Claim
65 words
The method of claim 98 wherein said ultraviolet transmittance is no greater than 38 percent and said luminous transmittance is at least 70 percent at a reference thickness of 0.189 inches and said colorant portion is 0.6 to 0.8% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 126
Dependent Claim
37 words
The method of claim 101 wherein said colorant portion is 0.650 to 0.764% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.280 and 0.15 to 0.52% TiO2.
Claim 127
Dependent Claim
41 words
The method of claim 99 wherein said colorant is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 128
Dependent Claim
38 words
The method of claim 103 wherein said colorant is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 129
Independent Claim
160 words
A method of producing green tinted, ultraviolet absorbing glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength of 495 to 535 nanometers, comprising: melting and forming soda lime silica glass having a composition comprising, on a weight percent basis, 65 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of less than 2.0% TiO 2 and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron less than 0.35, said glass having a luminous transmittance less than 70 percent; and tempering said glass to increase said luminous transmittance to a value greater than 70 percent.
Claim 130
Independent Claim
160 words
A method of producing green tinted, ultraviolet absorbing glass exhibiting ultraviolet transmittance no greater than 38 percent (300 to 400 nanometers) and luminous transmittance (illuminant A) of at least 70 percent at thicknesses ranging from 0.154 to 0.189 inches and having a dominant wavelength of 495 to 535 nanometers, comprising: melting and forming soda lime silica glass having a composition comprising, on a weight percent basis, 65 to 75% SiO 2 , 10 to 20% Na 2 O, 5 to 15% CaO, 0 to 5% MgO, 0 to 5% Al 2 O 3 , 0 to 5% K 2 O and a colorant portion consisting essentially of less than 2.0% TiO 2 and greater than 0.6% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron less than 0.35, said glass having a luminous transmittance less than 70 percent; and tempering said glass to increase said luminous transmittance to a value greater than 70 percent.
Claim 131
Dependent Claim
42 words
The method as in claim 105 wherein said colorant is greater than 0.6 up to 0.95% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.24 to 0.29 and 0.05 to 0.60% TiO 2 .
Claim 132
Dependent Claim
39 words
The method as in claim 106 wherein said colorant is 0.65 to 0.925% total iron (expressed as Fe 2 O 3 ) with the ratio of FeO/total iron between 0.251 to 0.285 and 0.15 to 0.52% TiO 2 .
Claim 133
Dependent Claim
18 words
The method as in claim 105 wherein the glass has an excitation purity of greater than 1 percent.
Claim 134
Dependent Claim
18 words
The method as in claim 108 wherein the glass has an excitation purity from 2 to 4 percent.
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USPTO Annuity & Maintenance Windows
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| 3.5 Years (Year 4) | 2000-01-14 | 2000-07-15 | 2001-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-01-14 | 2004-07-15 | 2005-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-01-14 | 2008-07-15 | 2009-01-14 | $7700.00 | Window Closed / Lapsed |