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US4065524A
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Film-forming light-sensitive polymeric material carrying azidosulfonyl groups
Assignee: Agfa Gevaert NV
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Filing: 1975-03-17
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Granted: 1977-12-27
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Expires: 1995-03-17
Abstract
Abstract Photo-sensitive film-forming soluble polymeric materials containing one or two polymers which can be insolubilized photochemically are disclosed. These polymeric materials contain in the same or different polymers (A) components which are reactive with moieties obtained by the photochemical decomposition of azidosulphonyl groups, e.g., a hydroxyl radical, pyridine, a phenyl radical, or a lactam radical; and (B) azidosulphonyl groups. The photo-sensitive material is insolubilized by exposure to actinic light. The material is useful in the production of photographic resists, printing plates for lithography, and the like.
Inventors
- 👤 Urbain Leopold Laridon
- 👤 Gerard Albert Delzenne
- 👤 Helmut Mader
- 👤 Hans Ulrich
- 👤 Bernhard Seidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:02
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; C; C08; C08B; C08B15/00; C08B15/05; C08B15/06; C08F; C08F8/00; C08F8/30; C08F8/34; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/71; C08G18/715; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1455; C08G59/18; C08G59/40; C08G59/4007; C08G59/4064; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G63/688; C08G63/6884; C08G85/00; C08G85/004; C08L; C08L75/00; Y; Y10; Y10S; Y10S522/00; Y10S522/904
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
132 words
A film-forming light-sensitive polymeric material consisting essentially of one or two polymers, which is soluble before exposure to actinic light in an organic solvent or water and which becomes insoluble in said organic solvent or water when exposed to actinic light and having carried on said polymer or polymers (A) azidosulphonyl groups, and (B) a component which is reactive with moieties obtained upon the photochemical decomposition of azidosulphonyl groups by exposure to actinic light, said reactive component being selected from the group consisting of a hydroxyl radical, pyridine, a phenyl radical, and pyrrolidone, said (A) and (B) each being present in said polymeric material in an amount sufficient to, upon exposure of said polymeric material to actinic light, photochemically cross-link and render said polymeric material insoluble in said organic solvent or water.
Claim 2
Dependent Claim
132 words
A film-forming light-sensitive polymeric material consisting essentially of one or two polymers, which is soluble before exposure to actinic light in an organic solvent or water and which becomes insoluble in said organic solvent or water when exposed to actinic light and having carried on said polymer or polymers (A) azidosulphonyl groups, and (B) a component which is reactive with moieties obtained upon the photochemical decomposition of azidosulphonyl groups by exposure to actinic light, said reactive component being selected from the group consisting of a hydroxyl radical, pyridine, a phenyl radical, and pyrrolidone, said (A) and (B) each being present in said polymeric material in an amount sufficient to, upon exposure of said polymeric material to actinic light, photochemically cross-link and render said polymeric material insoluble in said organic solvent or water.
Claim 3
Dependent Claim
37 words
A polymeric material as claimed in claim 1 in which the light-sensitive polymeric material is a mixture of two different polymers, one polymer containing the said (A) groups and the other polymer containing the said (B) component.
Claim 4
Dependent Claim
28 words
A polymeric material as claimed in claim 2 in which the polymer containing said (B) component is selected from the group consisting of poly(vinyl pyridine) and poly(N-vinyl pyrrolidone).
Claim 5
Dependent Claim
22 words
A polymeric material as claimed in claim 1 wherein one polymer contains both the said (A) groups and the said (B) component.
Claim 6
Dependent Claim
34 words
A polymeric material as claimed in claim 4 in which the said (B) component is free hydroxyl groups, and the said (A) groups are an ester of a hydroxyl group and an azidosulphonylbenzoyl chloride.
Claim 7
Dependent Claim
21 words
A polymeric material as claimed in claim 5 in which the polymer containing the said free hydroxyl groups is poly(vinyl butyral).
Claim 8
Dependent Claim
24 words
A polymeric material as claimed in claim 5 in which the polymer having free hydroxyl groups is the polycondensation product of 2,2-bis(4-hydroxylphenyl)-propane and epichlorohydrin.
Claim 9
Dependent Claim
25 words
A polymeric material as claimed in claim 5 in which the said azidosulphonylbenzoyl chloride is selected from the group consisting of m- and p-azidosulphonylbenzoyl chloride.
Claim 10
Dependent Claim
28 words
A polymeric material as claimed in claim 2 in which the polymer containing the said (A) groups is polystyrene transformed into poly(p-chlorosulphonylstyrene) and thereafter reacted with sodium azide.
Claim 11
Dependent Claim
26 words
A polymeric material as claimed in claim 2 in which the polymer containing the said (A) groups is the reaction product of poly(chloromethylstyrene) and 2-chloro-5-azidosulphonylbenzoic acid.
Claim 12
Dependent Claim
60 words
A light-sensitive film-forming polymeric material consisting essentially of one or two polymers having carried on said one or two polymers light-sensitive azidosulphonyl groups and groups selected from the group consisting of a hydroxyl radical, pyridine, a phenyl radical, and pyrrolidone which upon exposure to actinic light will react with said azidosulphonyl groups to provide a cross-linked, insoluble and infusible polymer.
Claim 13
Dependent Claim
60 words
A light-sensitive film-forming polymeric material consisting essentially of one or two polymers having carried on said one or two polymers light-sensitive azidosulphonyl groups and groups selected from the group consisting of a hydroxyl radical, pyridine, a phenyl radical, and pyrrolidone which upon exposure to actinic light will react with said azidosulphonyl groups to provide a cross-linked, insoluble and infusible polymer.
Claim 14
Dependent Claim
18 words
The light-sensitive polymeric material of claim 11 wherein the azidosulphonyl groups are directly bonded to a phenyl moiety.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-26 | 1981-06-27 | 1981-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-26 | 1985-06-27 | 1985-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-26 | 1989-06-27 | 1989-12-27 | $7700.00 | Window Closed / Lapsed |