Method of effecting high contrast development of an image-wise e

Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Developing

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430268, 430449, 430466, 430487, 430489, G03C 524, G03C 530

Patent

active

047569905

ABSTRACT:
A method of effecting high contrast development of an image-wise exposed photographic silver halide emulsion layer material wherein the developing proceeds in an aqueous medium having a pH of 10 to 12 and containing:

REFERENCES:
patent: 3972719 (1976-08-01), Vanreusel et al.
patent: 4172728 (1979-10-01), Sincius et al.
Research Disclosure, Dec. 1931, #21210, p. 428.
Research Disclosure, Jun. 1984, #24236, p. 274.

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