Aqueous developable diazo lithographic printing plates with admi

Details Aqueous developable diazo lithographic printing plates with admi Aqueous developable diazo lithographic printing plates with admi

1983-08-25

1985-04-16

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430158, 430160, 430175, 430176, 430909, 430910, 430302, G03C 160, G03F 708

Patent

active

045116407

ABSTRACT:
An improved negative working photographic element is prepared by coating a suitable substrate with a photosensitive composition comprising a light sensitive diazonium salt and a binder composition comprising a polyvinyl acetate resin and a styrene/maleic acid half ester copolymer. Upon imagewise exposure of the element to actinic radiation through a suitable mask, the unexposed portions are removable with an aqueous developer.

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