Photographic processing solution composition

Details Photographic processing solution composition Photographic processing solution composition

1995-10-03

1997-05-13

Caldarola, Glenn A.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Bleach or intensification

430373, 430393, 430414, 430430, 430490, 430491, 430493, 430936, 430943, G03C 542, G03C 544, G03C 518, G03C 526

Patent

active

056291396

ABSTRACT:
Photographic elements, especially color papers, can be processed with developer, redox amplification or bleaching solutions that contain hydrogen peroxide or other oxidants. These solutions include a dissolved compound that has a hydrophobic hydrocarbon group and an additional group that enables the compound to adsorb to silver or stainless steel. The dissolved compound inhibits the catalytic effect of the metal on decomposition of the hydrogen peroxide so the processing solutions are more stable.

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