US4749611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen fabrics
Assignee: Nbc Industries Co Ltd
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Filing: 1986-07-31
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Granted: 1988-06-07
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Expires: 2006-07-31
Abstract
Abstract The screen fabric woven of synthetic fibers such as polyester monofilament and polyamide monofilament for preparing the stencil. The synthetic fiber has colored transparency and 0.01 to 0.1 weight percent of titanium dioxide as well as 0.5 to 1.0 weight percent of ultraviolet absorber and pigment are added thereto for preventing halation during exposure treatment process.
Inventors
- 👤 Yozo Furuya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:07
CPC Classifications
D; D01; D01F; D01F1/00; D01F1/02; D01F1/04; B; B41; B41N; B41N1/00; B41N1/24; B41N1/247; D01F1/10; D01F1/106; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2927; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T442/00; Y10T442/30; Y10T442/3146; Y10T442/3171
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
42 words
A screen fabric prepared from colored synthetic transparent monofilament fibers, said fibers comprising a synthetic fiber forming material, 0.01 to 0.1 weight % of titanium dioxide and a total content of 0.5 to 1.0 weight % of ultraviolet absorber and colored pigment.
Claim 2
Dependent Claim
42 words
A screen fabric prepared from colored synthetic transparent monofilament fibers, said fibers comprising a synthetic fiber forming material, 0.01 to 0.1 weight % of titanium dioxide and a total content of 0.5 to 1.0 weight % of ultraviolet absorber and colored pigment.
Claim 3
Dependent Claim
18 words
The screen fabric of claim 1 wherein said synthetic fiber forming material is a polyester or a polyamide.
Claim 4
Dependent Claim
15 words
The screen fabric of claim 1 wherein said synthetic fiber forming material is a polyester.
Claim 5
Dependent Claim
15 words
The screen fabric of claim 1 wherein said synthetic fiber forming material is a polyamide.
Claim 6
Dependent Claim
16 words
The screen fabric of claim 2 wherein the diameter of said monofilament is about 30-100 microns.
Claim 7
Dependent Claim
19 words
The screen fabric of claim 2 wherein the ratio of said ultraviolet absorber to pigment is 2:2 to 3:1.
Claim 8
Dependent Claim
21 words
The screen fabric of claim 2 wherein said ultraviolet absorber is selected from the group consisting of 2-(2-hydroxy-5-methyl-phenyl)-2H-benztriazole, 2-(2-hydroxy-3-tri-butyl-5-methyl-phenyl)-5-chloro-benztriazole and 5-5-methylene-bis(2-hydroxy-4-methoxy)-benzphenone.
Claim 9
Dependent Claim
15 words
The screen fabric of claim 2 wherein said pigment is a yellow or red pigment.
Claim 10
Dependent Claim
19 words
The screen fabric of claim 5 wherein the ratio of said ultraviolet absorber of pigment is 2:2 to 3:1.
Claim 11
Dependent Claim
30 words
The screen fabric of claim 9 wherein said pigment is a yellow or red pigment, and said ultraviolet absorber is selected from the group consisting of 2-(2-hydroxy-5-methyl-phenyl)-2H-benztriazole, 2-(2-hydroxy-3-tri-butyl-5-methyl-phenyl)-5-chloro-benztriazole and 5-5-methylene-bis(2-hydroxy-4-methoxy)benzphenone.
Claim 12
Dependent Claim
36 words
A colored synthetic transparent monofilament fiber comprising a synthetic fiber forming material, 0.01 to 0.1 weight % of titanium dioxide and a total content of 0.5 to 1.0 weight % of ultraviolet absorber and colored pigment.
Claim 13
Dependent Claim
36 words
A colored synthetic transparent monofilament fiber comprising a synthetic fiber forming material, 0.01 to 0.1 weight % of titanium dioxide and a total content of 0.5 to 1.0 weight % of ultraviolet absorber and colored pigment.
Claim 14
Dependent Claim
17 words
The fiber of claim 11 wherein said synthetic fiber forming material is a polyester or a polyamide.
Claim 15
Dependent Claim
14 words
The fiber of claim 11 wherein said synthetic fiber forming material is a polyester.
Claim 16
Dependent Claim
14 words
The fiber of claim 11 wherein said synthetic fiber forming material is a polyamide.
Claim 17
Dependent Claim
15 words
The fiber of claim 12 wherein the diameter of the monofilament is about 30-100 microns.
Claim 18
Dependent Claim
18 words
The fiber of claim 12 wherein the ratio of said ultraviolet absorber to pigment is 2:2 to 3:1.
Claim 19
Dependent Claim
20 words
The fiber according to claim 12 wherein said ultraviolet absorber is selected from the group consisting of 2-(2-hydroxy-5-methyl-phenyl)-2H-benztriazole,2-(2-hydroxy-3-tri-butyl-5-methyl-phenyl)-5-chloro-benztriazole and 5-5-methylene-bis(2-hydroxy-4-methoxy)-benzphenone.
Claim 20
Dependent Claim
14 words
The fiber of claim 12 wherein said pigment is a yellow or red pigment.
Claim 21
Dependent Claim
18 words
The fiber of claim 15 wherein the ratio of said ultraviolet absorber to pigment is 2:2 to 3:1.
Claim 22
Dependent Claim
29 words
The fiber of claim 19 wherein said pigment is a yellow or red pigment, and said ultraviolet absorber is selected from the group consisting of 2-(2-hydroxy-5-methyl-phenyl)-2H-benztriazole, 2-(2-hydroxy-3-tri-butyl-5-methyl-phenyl)-5-chloro-benztriazole and 5-5-methylene-bis(2-hydrox-4-methoxy)benzphenone.
References Cited (Backward Citations)
US4283452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-06-07 | 1991-12-07 | 1992-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-07 | 1995-12-07 | 1996-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-07 | 1999-12-07 | 2000-06-07 | $7700.00 | Window Closed / Lapsed |