Photographic peracid bleaches with ferric 2-pyridinecarboxylate

Details Photographic peracid bleaches with ferric 2-pyridinecarboxylate Photographic peracid bleaches with ferric 2-pyridinecarboxylate

1995-03-20

1996-07-16

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430430, 430943, 430386, 430387, 430448, 430505, G03C 746, G03C 700, G03C 544, G03C 518

Patent

active

055366252

ABSTRACT:
This invention provides an accelerator for peracid bleaches used for bleaching silver halide photographic elements. The accelerator is a complex of ferric (Fe III) ion and a 2-pyridinecarboxylic acid or a 2,6-pyridinecarboxylic acid. The accelerator may be contained in the bleaching solution, a solution preceding the bleaching solution or in the photographic elements themselves.

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patent: 5318880 (1994-06-01), English et al.
Research Disclosure No. 15704, vol. 157, p. 8, (Price et al) (1977).

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