Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Bleaching
Patent
1988-11-14
1990-05-08
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Bleaching
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: 4695529 (1987-09-01), Abe et al.
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Harder John W.
Singer Stephen P.
Doody Patrick A.
Eastman Kodak Company
Levitt Joshua G.
Michl Paul R.
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