US5219709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerizable composition
Assignee: Mitsubishi Chemical Corp
•
Filing: 1992-02-26
•
Granted: 1993-06-15
•
Expires: 2012-02-26
Abstract
Abstract A photopolymerizable composition comprising an addition polymerizable ethylenically unsaturated compound and a photopolymerization initiator system, wherein the photopolymerization initiator system comprises: (a) a squarylium dye containing a following formula (I), <IMAGE> (I) wherein each of R1 and R2 is a substituted or unsubstituted alkyl group or aryl group, and each of A and B is a substituted or unsubstituted benzene ring or naphthalene ring, and (b) a s-triazine compound having at least one halogenated methyl group.
Inventors
- 👤 Hideki Nagasaka
- 👤 Katsuko Ohta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:41
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/031; G03F7/029; G03F7/0295; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/115; Y10S430/12; Y10S430/121
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
77 words
A photopolymerizable composition comprising an addition polymerizable ethylenically unsaturated compound and a photopolymerization initiator system, wherein the photopolymerization initiator system comprises: (a) a squarylium dye containing a following formula (I), ##STR7## wherein each of R 1 and R 2 is a substituted or unsubstituted alkyl group or aryl group, and each of A and B is a substituted or unsubstituted benzene ring or naphthalene ring, and (b) a s-triazine compound having at least one halogenated methyl group.
Claim 2
Dependent Claim
77 words
A photopolymerizable composition comprising an addition polymerizable ethylenically unsaturated compound and a photopolymerization initiator system, wherein the photopolymerization initiator system comprises: (a) a squarylium dye containing a following formula (I), ##STR7## wherein each of R 1 and R 2 is a substituted or unsubstituted alkyl group or aryl group, and each of A and B is a substituted or unsubstituted benzene ring or naphthalene ring, and (b) a s-triazine compound having at least one halogenated methyl group.
Claim 3
Dependent Claim
19 words
The photopolymerizable composition according to claim 1, wherein the ethylenically unsaturated compound is an ethylenically unsaturated carboxylic acid ester.
Claim 4
Dependent Claim
25 words
The photopolymerizable composition according to claim 1, wherein the ethylenically unsaturated compound is a monomer of an acrylic acid ester or a methacrylic acid ester.
Claim 5
Dependent Claim
41 words
The photopolymerizable composition according to claim 1, wherein each of R 1 and R 2 is a methyl group, an ethyl group, a n-propyl group, a n-butyl group, a n-hexyl group, a n-octyl group, a phenyl group, and a naphthyl group.
Claim 6
Dependent Claim
36 words
The photopolymerizable composition according to claim 1, wherein the s-triazine compound is a s-triazine compound having at least two groups selected from the group consisting of a trichloromethyl group, a tribromomethyl group and a combination thereof.
Claim 7
Dependent Claim
18 words
The photopolymerizable composition according to claim 5, wherein the s-triazine compound is 2,4,6-tris(trichloromethyl)-s-triazine, 2-phenyl-4,6-bis(trichlormethyl)-s-triazine, 2-methyl-4,6-bis(trichloromethyl)-s-triazine, 2-phenylthio-4,6-bis(trichloromethyl)-s-triazine or 2,4,6-tris(tribomomethyl)-s-triazine.
Claim 8
Dependent Claim
28 words
The photopolymerizable composition according to claim 1, wherein the weight ratio of the squarylium dye to the s-triazine compound is within a range of from 1:30 to 10:1.
Claim 9
Dependent Claim
16 words
The photopolymerizable composition according to claim 1, which contains an organic polymer material as a binder.
Claim 10
Dependent Claim
32 words
The photopolymerizable composition according to claim 1, which contains at least one member selected from the group consisting of a thermal polymerization inhibitor, a coloring agent, a sensitivity-improving agent and a plasticizer.
Claim 11
Dependent Claim
12 words
The photopolymerizable composition according to claim 1, which contains a colorant precursor.
Claim 12
Dependent Claim
31 words
The photopolymerizable composition according to claim 1, wherein in the squarylium dye B is a benzene ring and R 1 , R 2 and A are as defined in claim 1.
Claim 13
Dependent Claim
38 words
The photopolymerizable composition according to claim 11, wherein each of R 1 and R 2 is a methyl group, an ethyl group, a n-propyl group, a n-butyl group, a n-hexyl group, a n-octyl group, or a phenyl group.
References Cited (Backward Citations)
US3987037A
Cited
EP0341720A2
Cited
US4997745A
Cited
EP0379200A2
Cited
EP0437259A2
Cited
US5147758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-06-14 | 1996-12-14 | 1997-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-14 | 2000-12-14 | 2001-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-14 | 2004-12-14 | 2005-06-15 | $7700.00 | Window Closed / Lapsed |