Use of an alkaline prebath to activate an acidic peroxide bleach

Details Use of an alkaline prebath to activate an acidic peroxide bleach Use of an alkaline prebath to activate an acidic peroxide bleach

1995-03-21

1996-09-10

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430430, 430427, 430432, 430943, G03C 700, G03C 518, G03C 526, G03C 549

Patent

active

055544916

ABSTRACT:
Color photographic elements can be effectively and rapidly bleached using acidic peroxide bleaching solutions when an alkaline prebath solution is used to activate the acidic bleaching solution.

REFERENCES:
patent: 4277556 (1981-07-01), Koboshi et al.
patent: 4301236 (1981-11-01), Idota et al.
patent: 4328306 (1982-05-01), Idota et al.
patent: 4469780 (1984-09-01), Hirai et al.
patent: 5436118 (1995-07-01), Carli et al.

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