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US5057393A
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Dye branched-alkyl borate photoinitiators
Assignee: Eastman Kodak Co
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Filing: 1989-07-10
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Granted: 1991-10-15
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Expires: 2009-07-10
Abstract
Abstract The present invention is directed to a compound of the formula (I): ##STR1## where D+ is a cationic dye moiety; R 1 is a branched chain alkyl group, and R 2 , R 3 and R 4 are independently selected from the group consisting of alkyl, aryl, aralkyl, alkaryl, alkenyl, alkynyl, alicyclic, heterocyclic, and allyl groups.
Inventors
- 👤 Michael S. Shanklin
- 👤 Peter Gottschalk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:52
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/28; C; C09; C09B; C09B69/00; C09B69/02; C09B69/06; C09B23/00; C09B23/02; G03F7/002; G03F7/004; G03F7/027; G03F7/028; G03F7/029; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/115; Y10S430/116
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
47 words
A photohardenable composition which comprises a free radical polymerizable compound and a photoinitiator of the formula (I): ##STR18## where D + is a cationic dye moiety; R 1 is a branched chain secondary alkyl group; and R 2 , R 3 and R 4 are aryl groups.
Claim 2
Dependent Claim
47 words
A photohardenable composition which comprises a free radical polymerizable compound and a photoinitiator of the formula (I): ##STR18## where D + is a cationic dye moiety; R 1 is a branched chain secondary alkyl group; and R 2 , R 3 and R 4 are aryl groups.
Claim 3
Dependent Claim
109 words
The photohardenable composition of claim 1 wherein said photoinitiator is represented by the formula (II): ##STR19## where Y 1 and Y 2 are an oxygen atom, a sulfur atom, a selenium atom, a vinyl group, >C(CH 3 ) 2 , or >N--R 7 and may be the same or different; n is 0, 1, 2, or 3; z is 1 to 4; R 1 is a branched chain secondary alkyl group; R 2 -R 4 are aryl groups; R 7 is a short chain alkyl group; R 5 and R 6 represent alkyl groups; and X is a hydrogen atom, an electron withdrawing group or an electron donating group.
Claim 4
Dependent Claim
28 words
The photohardenable composition of claim 2 wherein R 1 is a branched chain secondary alkyl group and R 2 , R 3 and R 4 represent phenyl groups.
Claim 5
Dependent Claim
11 words
The photohardenable composition of claim 3 wherein R 1 is sec-butyl.
Claim 6
Dependent Claim
63 words
A photosensitive material comprising a support having a layer of photohardenable composition on the surface thereof, said composition comprising a free radical addition polymerizable compound and a photoinitiator represented by the formula (I): ##STR20## where D + is a cationic dye moiety; R 1 is a branched chain secondary alkyl group; and R 2 , R 3 and R 4 are aryl groups.
Claim 7
Dependent Claim
63 words
A photosensitive material comprising a support having a layer of photohardenable composition on the surface thereof, said composition comprising a free radical addition polymerizable compound and a photoinitiator represented by the formula (I): ##STR20## where D + is a cationic dye moiety; R 1 is a branched chain secondary alkyl group; and R 2 , R 3 and R 4 are aryl groups.
Claim 8
Dependent Claim
113 words
The photosensitive material of claim 5 wherein said photoinitiator is represented by the formula (II): ##STR21## where Y 1 and Y 2 are the same or different and represent an oxygen atom, a sulfur atom, a selecium atom, a vinyl group, >C(CH 3 ) 2 , or >N--R 7 ; n is 0, 1, 2, or 3; z is 1 to 4; R 1 is a branched chain secondary alkyl group; R 2 , R 3 and R 4 are aryl groups; R 7 is a short chain alkyl group; R 5 and R 6 represent alkyl groups; and X is a hydrogen atom, an electron withdrawing group or an electron donating group.
Claim 9
Dependent Claim
28 words
The photosensitive material of claim 6 wherein R 1 is a branched chain secondary alkyl group and R 2 , R 3 and R 4 represent phenyl groups.
Claim 10
Dependent Claim
12 words
The photosensitive material of claim 5 wherein said photohardenable composition is microencapsulated.
Claim 11
Dependent Claim
11 words
The photosensitive material of claim 7 wherein R 1 is sec-butyl.
References Cited (Backward Citations)
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| 3.5 Years (Year 4) | 1994-10-14 | 1995-04-15 | 1995-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-14 | 1999-04-15 | 1999-10-15 | $3760.00 | Window Closed / Lapsed |
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