Method of processing color reversal films with reduced iron rete

Details Method of processing color reversal films with reduced iron rete Method of processing color reversal films with reduced iron rete

1999-04-01

2000-01-11

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430430, 430455, G03C 742

Patent

active

060134224

ABSTRACT:
Color reversal photographic elements can be effectively processed to provide color positive images using biodegradable bleaching compositions when the following fixing compositions contain an uncomplexed aminodisuccinic acid additive. The presence of the additive in the fixing composition seems to reduce the retained iron from use of the biodegradable bleaching composition, thereby reducing yellow stain and other undesirable effects in the color images, and iron precipitates in the fixing bath.

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patent: 5585226 (1996-12-01), Strickland et al.
patent: 5652085 (1997-07-01), Wilson et al.
patent: 5912107 (1999-06-01), Dickerson et al.
patent: 5932398 (1999-08-01), Fitterman et al.
JP Abstract--6130587 A, May 13, 1994.

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