Photographic bleach compositions and methods of photographic pro

Details Photographic bleach compositions and methods of photographic pro Photographic bleach compositions and methods of photographic pro

1980-05-14

1981-10-13

Albrecht, Dennis L.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Disparate function simultaneous process step

260429J, 430430, 430460, 430461, 430462, 562571, G03C 532, G03C 538, G03C 544, G03C 552

Patent

active

042949149

ABSTRACT:
Photographic silver halide bleach compositions which are more active than existing bleach compositions and free from environmental and commercial objections thereto comprise as bleaching agent a ferric complex of an alkyliminodiacetic acid the alkyl group of which may be substituted. The bleach solutions may further comprise a silver halide solvent thus rendering them bleach-fix solutions.

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patent: 3615508 (1971-10-01), Stephen
patent: 3702247 (1972-11-01), Williams
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patent: 4033771 (1977-07-01), Borton
patent: 4040837 (1977-08-01), Sakamoto
patent: 4181672 (1980-01-01), Popper

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