US4842980A
Expired / Lapsed
US
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Photosensitive materials containing ionic dye compounds as initiators
Assignee: Eastman Kodak Co
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Filing: 1988-07-20
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Granted: 1989-06-27
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Expires: 2008-07-20
Abstract
Abstract A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an ionic dye-counter ion compound, said compound being capable of absorbing actinic radiation and producing free radicals which initiate free radical polymerization or crosslinking of said compound; and photosensitive materials incorporating the same.
Inventors
- 👤 Peter Gottschalk
- 👤 Douglas C. Neckers
- 👤 Gary B. Schuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:51
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/002; C; C08; C08F; C08F2/00; C08F2/46; C08F2/48; C08F2/50; G03F7/004; G03F7/027; G03F7/028; G03F7/029; A; A61; A61C; A61C13/00; A61C13/0003; A61C13/0006; A61C13/0013; A61C19/00; A61C19/003; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/115; Y10S430/117; Y10S430/128
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
96 words
A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an ionic dye-reactive counter ion compound, said ionic dye-reactive counter ion compound being a stable, non-transient compond capable of absorbing actinic radiation and producing free radicals which initiator free radical polymerization or crosslinking of said polymerizable or crosslinkable compound, said ionic dye-reactive counter ion compound being represented by the formula (IV) or (V): ##STR37## wherein D is an anionic dye, R 5 and R 6 are independently selected from the group consisting of phenyl or naphthyl groups and n is 1 or 2.
Claim 2
Dependent Claim
96 words
A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an ionic dye-reactive counter ion compound, said ionic dye-reactive counter ion compound being a stable, non-transient compond capable of absorbing actinic radiation and producing free radicals which initiator free radical polymerization or crosslinking of said polymerizable or crosslinkable compound, said ionic dye-reactive counter ion compound being represented by the formula (IV) or (V): ##STR37## wherein D is an anionic dye, R 5 and R 6 are independently selected from the group consisting of phenyl or naphthyl groups and n is 1 or 2.
Claim 3
Dependent Claim
24 words
The photohardenable composition of claim 1 wherein said anionic dye is selected from the group consisting of Rose Bengel, eosin, erythiosin and fluorscein dyes.
Claim 4
Dependent Claim
20 words
The photohardenable composition of claim 2 wherein said ionic-reactive counter ion compound is selected from the group consisting of ##STR38##
Claim 5
Dependent Claim
113 words
A photosensitive material comprising a support having a layer of a photohardenable composition on the surface thereof, said photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an ionic dye-reactive counter ion compound, said ionic dye-reactive counter ion compound being a stable, non-transient compound capable of absorbing actinic radiation and producing free radicals which initiator free radical polymerization or crosslinking of said polymerizable or crosslinkable compound, said ionic dye-reactive counter ion compound being represented by the formula (IV) or (V): ##STR39## wherein D is an anionic dye, R 5 and R 6 are independently selected from the group consisting of phenyl or naphthyl groups and n is 1 or 2.
Claim 6
Dependent Claim
113 words
A photosensitive material comprising a support having a layer of a photohardenable composition on the surface thereof, said photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an ionic dye-reactive counter ion compound, said ionic dye-reactive counter ion compound being a stable, non-transient compound capable of absorbing actinic radiation and producing free radicals which initiator free radical polymerization or crosslinking of said polymerizable or crosslinkable compound, said ionic dye-reactive counter ion compound being represented by the formula (IV) or (V): ##STR39## wherein D is an anionic dye, R 5 and R 6 are independently selected from the group consisting of phenyl or naphthyl groups and n is 1 or 2.
Claim 7
Dependent Claim
24 words
The photosensitive material of claim 4 wherein said anionic dye is selected from the group consisting of Rose Bengal, eosin, erythiosin and fluorscein dyes.
Claim 8
Dependent Claim
20 words
The photosensitive material of claim 5 wherein said ionic-reactive counter ion compound is selected from the group consisting of ##STR40##
Claim 9
Dependent Claim
12 words
The photosensitive material of claim 4 wherein said photohardenable composition is microencapsulated.
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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) | 1992-06-26 | 1992-12-26 | 1993-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-26 | 1996-12-26 | 1997-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-26 | 2000-12-26 | 2001-06-27 | $7700.00 | Window Closed / Lapsed |