Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1985-02-04
1986-12-23
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...
430157, 430176, 430302, 430309, 430331, G03C 160
Patent
active
046312455
ABSTRACT:
Disclosed is a photosensitive composition which comprises a diazonium salt polycondensation product and, as the binder, a reaction product of an intramolecular anhydride of an organic polycarboxylic acid with a polymer containing hydroxyl groups, which does not contain any further functional groups which are capable of reaction with acid anhydrides. The composition is suitable for use in the production of printing plates and photoresists. It can be developed with neutral or alkaline aqueous solutions and yields printing plates having a good ink receptivity and producing large print runs.
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Bowers Jr. Charles L.
Hoechst Aktiengesellschaft
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