Photographic element capable of using an aqueous alcoholic...

C - Chemistry – Metallurgy – 08 – G

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96/169, 402/190,

C08G 63/54 (2006.01) C08G 63/52 (2006.01) C08G 63/688 (2006.01) C08G 75/30 (2006.01) G03F 7/038 (2006.01) G03F 1/02 (2006.01)

Patent

CA 1046190

ABSTRACT A condensation copolymer is disclosed which capable of being crosslinked by exposure to radiation and which, prior to exposure, is capable of being transported in an aqueous alcoholic alkaline developer. The condensation copolymer has first dicarboxylic acid derived repeating units containing non-aromatic ethylenic unsaturation capable of providing crosslinking sites and second aromatic dicarboxylic acid derived repeating units containing disulfonamido units units containing monovalent cations as amido nitrogen atom substi- tuents. The photographic elements formed from the condensation copolymer are particularly useful as lithographic plates.

206503

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