Photographic processing methods using compositions containing st

Details Photographic processing methods using compositions containing st Photographic processing methods using compositions containing st

1999-12-16

2000-11-28

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430357, 430372, 430379, 430393, 430429, 430430, 430455, 430460, 430461, 430467, 430486, G03C 730, G03C 7407, G03C 742

Patent

active

061533645

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 be used in various other processing compositions.

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patent: 4895786 (1990-01-01), Kurematsu et al.
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patent: 5221597 (1993-06-01), Fujita et al.
patent: 5272044 (1993-12-01), Nishigaki et al.
patent: 5955248 (1999-09-01), Craver et al.
JP Abstract 10104809
JP Abstract 1062642
JP Abstract 1158443
JP Abstract 58-222156
DE Abstract 2203302
Research Disclosure, Item 37336, May 1995.
Research Disclosure, Item 20733, Jul. 1981.

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