US4874685A
Expired / Lapsed
US
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Photocurable composition containing a photoreducible dye a thiol and an N,N'-dialkylaniline
Assignee: Eastman Kodak Co
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Filing: 1987-11-27
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Granted: 1989-10-17
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Expires: 2007-11-27
Abstract
Abstract The present invention provide a dye-sensitized photopolymerizable composition comprising a free radical addition polymerizable material, and a photoinitiator, the photoinitiator consisting essentially of a photoreducible dye, a thiol, and an N,N'-dialkylaniline.
Inventors
- 👤 Paul C. Adair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:00
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/72; G03F; G03F7/00; G03F7/002; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/122; Y10S430/123
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
27 words
A dye-sensitized photopolymerizable composition comprising a free radical addition polymerizable material, and a photoinitiator, said photoinitiator consisting essentially of a photoreducible dye, a thiol and an N,N'-dialkylaniline.
Claim 2
Dependent Claim
27 words
A dye-sensitized photopolymerizable composition comprising a free radical addition polymerizable material, and a photoinitiator, said photoinitiator consisting essentially of a photoreducible dye, a thiol and an N,N'-dialkylaniline.
Claim 3
Dependent Claim
19 words
The dye-sensitized photopolymerizable composition of claim 1 wherein said free radical addition polymerizable material is an ethylenically unsaturated compound.
Claim 4
Dependent Claim
32 words
The dye-sensitized photopolymerizable composition of claim 1 wherein said photoreducible dye is selected the group consisting of photoreducible methine, polymethine, triarylmethane, indoline, thiazine, acridine, xanthene, oxazine, acridine, cyanine, carbocyanine and hemicyanine dyes.
Claim 5
Dependent Claim
15 words
The dye-sensitized photopolymerizable composition of claim 1 wherein said photoreducible dye is a cyanine dye.
Claim 6
Dependent Claim
18 words
The dye sensitized photopolymerizable composition of claim 1 wherein said cyanine dye is a methine or polymethine dye.
Claim 7
Dependent Claim
14 words
The dye-sensitized photopolymerizable composition of claim 1 wherein said thiol is a hetercyclic thiol.
Claim 8
Dependent Claim
44 words
A photosensitive material comprising a support having a layer of dye-sensitized photopolymerizable composition on the surface thereof, said composition comprising a free radical addition polymerizable or crosslinkable material, and a photoinitiator, said photoinitiator consisting essentially of a photoreducible dye, a thiol and an N,N'-dialkylaniline.
Claim 9
Dependent Claim
44 words
A photosensitive material comprising a support having a layer of dye-sensitized photopolymerizable composition on the surface thereof, said composition comprising a free radical addition polymerizable or crosslinkable material, and a photoinitiator, said photoinitiator consisting essentially of a photoreducible dye, a thiol and an N,N'-dialkylaniline.
Claim 10
Dependent Claim
60 words
A photosensitive material comprising a support having a layer of microcapsules on one surface thereof, said microcapsules having an image-forming agent associated therewith and containing an internal phase including a dye-sensitized photopolymerizable composition, said composition comprising a free radical addition polymerizable or crosslinkable compound, and a photoinitiator, said photoinitiator consisting essentially of a photoreducible dye, a thiol and an N,N'-dialkylaniline.
Claim 11
Dependent Claim
60 words
A photosensitive material comprising a support having a layer of microcapsules on one surface thereof, said microcapsules having an image-forming agent associated therewith and containing an internal phase including a dye-sensitized photopolymerizable composition, said composition comprising a free radical addition polymerizable or crosslinkable compound, and a photoinitiator, said photoinitiator consisting essentially of a photoreducible dye, a thiol and an N,N'-dialkylaniline.
Claim 12
Dependent Claim
23 words
The composition according to claim 1 wherein said photoinitiator is capable of initiating polymerization of said polymerizable material upon exposure to visible light.
Claim 13
Dependent Claim
23 words
The material according to claim 7 wherein said photoinitiator is capable of initiating polymerization of said polymerizable material upon exposure to visible light.
Claim 14
Dependent Claim
23 words
The material according to claim 8 wherein said photoinitiator is capable of initiating polymerization of said polymerizable material upon exposure to visible light.
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) | 1992-10-16 | 1993-04-17 | 1993-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-16 | 1997-04-17 | 1997-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-16 | 2001-04-17 | 2001-10-17 | $7700.00 | Window Closed / Lapsed |