Photographic processing compositions containing stain reducing a

Details Photographic processing compositions containing stain reducing a Photographic processing compositions containing stain reducing a

1999-12-16

2000-11-28

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Fixer

G03C 742

Patent

active

061533653

ABSTRACT:
Specific aromatic compounds having an extended planar .pi. system are useful as spectral sensitizing dye stain reducing agents in photographic processing compositions and methods for providing color or black-and-white images in various photographic silver halide materials. These compounds are devoid of diaminostilbene fragments or fused triazole nuclei. They are particularly useful in fixing and bleaching compositions in the processing of color photographic silver halide materials, but can also be used in various other processing compositions.

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