Positive working O-quinone diazide photocopying process with org

Details Positive working O-quinone diazide photocopying process with org Positive working O-quinone diazide photocopying process with org

1978-05-10

1980-06-10

Bowers, Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430193, 430496, 430526, 430533, 430536, 430538, G03F 708, G03C 518, G03C 534

Patent

active

042071062

ABSTRACT:
A light-sensitive copying material comprising at least two organic coating layers on a support, at least one of the coating layers being a light-sensitive layer which comprises an O-quinone diazide compound whose alkali solubility is increased by irradiation with active rays.

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