US5071731A
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US
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Aqueous processable photosensitive element with an elastomeric layer
Assignee: EIDP Inc
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Filing: 1990-04-10
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Granted: 1991-12-10
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Expires: 2010-04-10
Abstract
Abstract A photosensitive element adapted for the preparation of colored images is disclosed. The photosensitive element comprises: a photosolubilizable layer consisting essentially of an acid-labile polymer and a photosolubilizing agent; an elastomeric layer; and a support. It can be processed by aqueous solvents, preferably ordinary tap water.
Inventors
- 👤 T. Chen Gwendyline Y. Y
- 👤 Floyd A. Raymond
- 👤 Jeffrey J. Patricia
- 👤 Walter R. Hertler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:48
CPC Classifications
G; G03; G03F; G03F3/00; G03F3/10; G03F7/00; G03F7/004; G03F7/039
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
137 words
A photosensitive element adapted for the preparation of a colored image, said element comprising: (1) a photosolubilizable layer consisting essentially of: (a) a photosolubilizing agent and (b) an acid-labile polymer having a polymer backbone and pendent acid-labile groups bound to the polymer backbone, said pendent acid-labile groups being represented by the formula: --CO.sub.2 --C(R.sup.1)(OR.sup.2)--CH(R.sup.3)(R.sup.4) where: R 1 is hydrogen or alkyl from about 1 to about 6 carbon atoms; R 2 is alkyl from 1 to about 8 carbon atoms; R 3 and R 4 are each independently hydrogen or alkyl from 1 to about 6 carbon atoms; wherein either R 1 and R 2 ; R 1 and R 3 ; or R 2 and R 3 may be joined to form a 5-, 6-, or 7-membered ring; (2) an elastomeric layer, and (3) a support.
Claim 2
Dependent Claim
137 words
A photosensitive element adapted for the preparation of a colored image, said element comprising: (1) a photosolubilizable layer consisting essentially of: (a) a photosolubilizing agent and (b) an acid-labile polymer having a polymer backbone and pendent acid-labile groups bound to the polymer backbone, said pendent acid-labile groups being represented by the formula: --CO.sub.2 --C(R.sup.1)(OR.sup.2)--CH(R.sup.3)(R.sup.4) where: R 1 is hydrogen or alkyl from about 1 to about 6 carbon atoms; R 2 is alkyl from 1 to about 8 carbon atoms; R 3 and R 4 are each independently hydrogen or alkyl from 1 to about 6 carbon atoms; wherein either R 1 and R 2 ; R 1 and R 3 ; or R 2 and R 3 may be joined to form a 5-, 6-, or 7-membered ring; (2) an elastomeric layer, and (3) a support.
Claim 3
Dependent Claim
23 words
The element of claim 1 wherein said polymer has at least approximately 50 mol % recurring units of one or more acid-labile monomer.
Claim 4
Dependent Claim
21 words
The element of claim 2 wherein said acid labile monomer is an acrylate monomer, a methacrylate monomer, or a mixture thereof.
Claim 5
Dependent Claim
41 words
The element of claim 3 wherein said acid-labile group has the following substituents: R 1 and R 4 are hydrogen; R 2 is an alkyl group having 1 to 4 carbon atoms; and R 3 is hydrogen or CH 3 .
Claim 6
Dependent Claim
33 words
The element of claim 3 wherein said acidlabile group has the following substituents: R 1 and R 4 are hydrogen; and R 2 and R 3 are joined to form a 6-membered ring.
Claim 7
Dependent Claim
33 words
The element of claim 3 wherein said polymer also contains at least one monomer selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, furfuryl acrylate, and furfuryl methacrylate.
Claim 8
Dependent Claim
19 words
The element of claim 1 wherein said polymer consists essentially of recurring units of one or more acid-labile monomer.
Claim 9
Dependent Claim
20 words
The element of claim 7 wherein said acid-labile monomer is an acrylate monomer, a methacrylate monomer, or a mixture thereof.
Claim 10
Dependent Claim
48 words
The element of claim 7 wherein the monomer is an acrylate monomer wherein said acid-labile group has the following substituents: R 1 and R 4 are hydrogen; R 2 is an alkyl group having 1 to 4 carbon atoms; and R 3 is hydrogen or CH 3 .
Claim 11
Dependent Claim
27 words
The element of claim 7 wherein said polymer is selected from the group consisting of poly(tetrahydropyranyl acrylate), poly[1-(ethoxy)-propyl methacrylate], and copolymers of tetrahydropyranyl methacrylate and tetrahydropyranyl acrylate.
Claim 12
Dependent Claim
19 words
The element of claim 1 wherein said photosolubilizing agent is a diaryliodonium, triarylsulfonium, or an anthracene bound sulfonium salt.
Claim 13
Dependent Claim
18 words
The element of claim 1 wherein said elastomeric layer is a polymer of butadiene, isoprene or an alpha-olefin.
Claim 14
Dependent Claim
12 words
The element of claim 12 wherein said elastomeric layer is a poly(alpha-olefin).
Claim 15
Dependent Claim
13 words
The element of claim 1 wherein said support is removable from elastomeric layer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1994-12-09 | 1995-06-10 | 1995-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-12-09 | 1999-06-10 | 1999-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-12-09 | 2003-06-10 | 2003-12-10 | $7700.00 | Window Closed / Lapsed |