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US4702773A Expired / Lapsed US ⏱️ 0.0 years remaining

Transparent, abrasion resistant coating compositions

Assignee: GKN Aerospace Transparency Systems Inc
•
Filing: 1986-02-14
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Granted: 1987-10-27
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Expires: 2006-02-14
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Abstract

Abstract There is disclosed transparent, abrasion resistant coating compositions comprising a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of silanol wherein the dispersant comprises metals, alloys, salts, oxides and hydroxides thereof.

Inventors

  • 👤 Lysander T. Ashlock
  • 👤 Harold Mukamal
  • 👤 William H. White

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 20:20
CPC Classifications
C; C09; C09D; C09D183/00; C09D183/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31507

Claims Analysis

Total Claims: 48
Claim 1
Independent Claim 75 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal salt wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 2
Dependent Claim 75 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal salt wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 3
Dependent Claim 97 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, said condensate containing at least about 80 percent by weight R(Si(OH) 3 ), and said dispersant is a metal salt wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 4
Dependent Claim 97 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, said condensate containing at least about 80 percent by weight R(Si(OH) 3 ), and said dispersant is a metal salt wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 5
Dependent Claim 24 words
The coating composition of claim 1 or 2 wherein said metal salts are selected from the group consisting of nitrides, phosphates, sulfides, and acetates.
Claim 6
Dependent Claim 16 words
The coating compositions of claim 1 or 2 wherein said metal salts are chlorides or sulfates.
Claim 7
Dependent Claim 14 words
The coating composition of claims 1 or 2, wherein said dispersant is aluminum acetate.
Claim 8
Dependent Claim 30 words
The coating composition of claim 1 or 2 wherein said organic radical is selected from the group consisting of C 1 -C 4 alkyl and vinyl, methoxyethyl, gamma-glycidoxypropyl and gamma-methacryloxypropyl.
Claim 9
Dependent Claim 21 words
The coating composition of claim 1 or 2 wherein said partial condensate contains at least 70 percent by weight methyl trisilanol.
Claim 10
Dependent Claim 27 words
The coating composition of claim 1 or 2 wherein said composition contains sufficient acid to provide a pH in the range of about 4 to about 6.
Claim 11
Dependent Claim 12 words
The coating composition of claim 8 wherein said acid is acetic acid.
Claim 12
Dependent Claim 21 words
The coating composition of claim 1 or 2 wherein said composition contains from about 10 percent to about 50 percent solids.
Claim 13
Dependent Claim 21 words
The coating composition of claim 10 wherein about 5 percent to about 70 percent of said solids is the colloidal dispersant.
Claim 14
Dependent Claim 17 words
The coating composition of claim 1 or 2 wherein said composition additionally includes a latent condensation catalyst.
Claim 15
Dependent Claim 12 words
The coating composition of claim 12 wherein said catalyst is choline acetate.
Claim 16
Dependent Claim 20 words
The coating composition of claim 1 or 2 wherein the alcohol in the water-alcohol solution is a lower aliphatic alcohol.
Claim 17
Dependent Claim 23 words
The coating composition of claim 1 or 2 wherein the alcohol comprises about 20 to about 75 weight percent of the water-alcohol solution.
Claim 18
Dependent Claim 75 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal oxide wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 19
Dependent Claim 75 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal oxide wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 20
Dependent Claim 97 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, and condensate containing at least about 80 percent by weight R(Si(OH) 3 ), and said dispersant is a metal oxide wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 21
Dependent Claim 97 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, and condensate containing at least about 80 percent by weight R(Si(OH) 3 ), and said dispersant is a metal oxide wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 22
Dependent Claim 14 words
The coating composition of claim 16 or 17 wherein said dispersant is antimony oxide.
Claim 23
Dependent Claim 14 words
The coating composition of claim 16 or 17 wherein said dispersant is aluminum oxide.
Claim 24
Dependent Claim 30 words
The coating composition of claim 16 or 17 wherein said organic radical is selected from the group consisting of C 1 -C 4 alkyl and vinyl, methoxyethyl, gamma-glycidoxypropyl and gamma-methacryloxypropyl.
Claim 25
Dependent Claim 21 words
The coating composition of claim 16 or 17 wherein said partial condensate contains at least 70 percent by weight methyl trisilanol.
Claim 26
Dependent Claim 27 words
The coating composition of claim 16 or 17 wherein said composition contains sufficient acid to provide a pH in the range of about 4 to about 6.
Claim 27
Dependent Claim 12 words
The coating composition of claim 22 wherein said acid is acetic acid.
Claim 28
Dependent Claim 21 words
The coating composition of claim 16 or 17 wherein said composition contains from about 10 percent to about 50 percent solids.
Claim 29
Dependent Claim 21 words
The coating composition of claim 24 wherein about 5 percent to about 70 percent of said solids is the colloidal dispersant.
Claim 30
Dependent Claim 17 words
The coating composition of claim 16 or 17 wherein said composition additionally includes a latent condensation catalyst.
Claim 31
Dependent Claim 12 words
The coating composition of claim 26 wherein said catalyst is choline acetate.
Claim 32
Dependent Claim 20 words
The coating composition of claim 16 or 17 wherein the alcohol in the water-alcohol solution is a lower aliphatic alcohol.
Claim 33
Dependent Claim 23 words
The coating composition of claim 16 or 17 wherein the alcohol comprises about 20 to about 75 weight percent of the water-alcohol solution.
Claim 34
Dependent Claim 75 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal hydroxide wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 35
Dependent Claim 75 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal hydroxide wherein the metal is selected from the group consisting of antimony, aluminum, gold, silver, copper, tin, cadmium, indium and mixtures thereof.
Claim 36
Dependent Claim 44 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing about 10% to 20% by weight of a colloidal dispersion of antimony oxide in a water-alcohol solution of a partial condensate containing at least 70% by weight methyl trisilanol.
Claim 37
Dependent Claim 44 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing about 10% to 20% by weight of a colloidal dispersion of antimony oxide in a water-alcohol solution of a partial condensate containing at least 70% by weight methyl trisilanol.
Claim 38
Dependent Claim 98 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal salt which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 39
Dependent Claim 98 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal salt which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 40
Dependent Claim 120 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, said condensate containing at least about 80 percent by weight R(Si(OH) 3 ), and said dispersant is a metal salt which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 41
Dependent Claim 120 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, said condensate containing at least about 80 percent by weight R(Si(OH) 3 ), and said dispersant is a metal salt which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 42
Dependent Claim 98 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal oxide which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 43
Dependent Claim 98 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal oxide which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 44
Dependent Claim 120 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, and condensate containing at least about 80 percent by weight R(Si(OH) 3 , and said dispersant is a metal oxide which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 45
Dependent Claim 120 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate comprising a mixture of R(Si(OH) 3 ) and R 2 (Si(OH) 2 ) wherein R is an organic radical, and condensate containing at least about 80 percent by weight R(Si(OH) 3 , and said dispersant is a metal oxide which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 46
Dependent Claim 98 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal hydroxide which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 47
Dependent Claim 98 words
A coating composition which forms a transparent, abrasion-resistant coating upon curing, said coating composition containing an effective abrasion resisting amount of a colloidal dispersion of a water insoluble dispersant in a water-alcohol solution of the partial condensate of R(Si(OH) 3 ) wherein R is an organic radical, and said dispersant is a metal hydroxide which can be dispersed in the water-alcohol solution of the partial condensate of R(Si(OH) 3 ) to form a colloidal dispersion, is stable in the pH range of about 3 to about 6, and does not alter the silicone cure reaction or coating stability.
Claim 48
Dependent Claim 36 words
A coating composition of any one of claims 32-36, inclusive, in which said dispersant is present in an amount of at least about 0.5% by weight, based on the total weight of solids in said composition.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-10-26 1991-04-27 1991-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-10-26 1995-04-27 1995-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-10-26 1999-04-27 1999-10-27 $7700.00 Window Closed / Lapsed

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