Photographic elements containing a bleach accelerator precursor

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

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Details

430393, 430429, 430445, 430460, 430461, 430487, 430620, G03C 544, G03C 524, G03C 538, G03C 700

Patent

active

049237845

ABSTRACT:
Silver halide photographic elements are described containing, as a bleach accelerator precursor, a silver salt of an acid-containing, non-zwitterionic, organic thiol. The bleach accelerators are operable with a multiplicity of bleach compositions and help in reducing sensitizing dye stain.

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patent: 4163669 (1979-08-01), Kanada et al.
patent: 4481290 (1984-11-01), Kishimoto et al.
patent: 4524129 (1985-06-01), Kishimoto et al.
patent: 4695529 (1987-09-01), Abe et al.
patent: 4702999 (1987-10-01), Ohashi et al.

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