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Patent EP0070201A1 successfully refreshed from Google Patents.
EP0070201A1
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A photosensitive composite
Assignee: Konica Minolta Inc
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Filing: 1982-07-14
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Granted: —
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Expires: 2002-07-14
Abstract
Abstract A photosensitive composite is described which comprises an o-quinone diazide compound, an alkali-soluble resin and a product comprising a six-membered acid-anhydride ring.
Inventors
- 👤 Takeshi Yamamoto
- 👤 Kiyoshi Goto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 20:36
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/022; G03F7/0226; G03F7/023; G03F7/0233
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
19 words
A photosensitive composite comprising an o-quinone diazide compound, an alkali-soluble resin and a product comprising a six-membered acid-anhydride ring.
Claim 2
Dependent Claim
19 words
A photosensitive composite comprising an o-quinone diazide compound, an alkali-soluble resin and a product comprising a six-membered acid-anhydride ring.
Claim 3
Dependent Claim
33 words
A photosensitive composite according to claim 1, wherein said six-membered cyclic acid-anhydride product is a compound represented by the Formula: wherein Z represents a non-metallic group which forms a six-membered ring together with
Claim 4
Dependent Claim
59 words
A photosensitive composite according to claim 1, wherein said six-membered cyclic acid-anhydride product is a compound represented by the Formulae: wherein Y represents an oxygen atom or a methylene group; R 1 , R 2 g R 3 . R 4 and R 5 each independently represents a hydrogen or halogen atom or an alkyl, aralkyl or aryl group.
Claim 5
Dependent Claim
13 words
A photosensitive composite according to claim 3, wherein Y represents a methylene group.
Claim 6
Dependent Claim
13 words
A photosensitive composite according to claim 3, wherein said compound is glutaric anhydride.
Claim 7
Dependent Claim
42 words
A photosensitive composite according to claim 1, wherein said six-membered cyclic acid-anhydride product is a polymer comprising monomer units represented by the Formula: wherein R 6 and R 7 each independently represents a hydrogen atom, a halogen atom or an alkyl group.
Claim 8
Dependent Claim
36 words
A photosensitive composite according to any one of the preceding claims wherein the said six-membered cyclic acid-anhydride product is present in an amount from 0.5 - 20% by weight based on the solids in the composite.
Claim 9
Dependent Claim
24 words
A lithographic printing plate material comprising on a support a photosensitive layer comprising a composite as claimed in any one of the preceding claims.
Claim 10
Dependent Claim
40 words
A lithographic printing plate material according to claim 8, wherein said six-membered cyclic acid-anhydride product of the composite is present in the photosensitive layer in an amount from 0.5 - 20% by weight based on the solids in the composite.
References Cited (Backward Citations)
US3592646A
Cited
GB1474073A
Cited
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