Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1997-01-14
1997-11-25
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430430, 430460, 430461, G03C 742
Patent
active
056911203
ABSTRACT:
Aminosuccinic acid chelants are disclosed which have been found to be applicable in photographic processes. The aminosuccinic acids can be used in a method of bleaching or bleach-fixing a silver halide photographic material comprising contacting the photographic material with a bleaching solution containing at least one metal complex of a polyamino disuccinic acid and one or more metal complexes of a polyamino monosuccinic acid or a monoamino monosuccinic acid.
REFERENCES:
patent: 5338649 (1994-08-01), Inaba et al.
patent: 5391466 (1995-02-01), Ueda et al.
Brown Eric R.
Crump Druce K.
Wilson David A.
Eastman Kodak Company
Le Hoa Van
Tucker J. Lanny
Ulmer Duane C.
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