Radiation imagery chemistry: process – composition – or product th – Regenerating image processing composition
Patent
1995-12-14
1996-11-26
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Regenerating image processing composition
430393, 430400, 430430, 430460, 430461, G03C 744
Patent
active
055784283
ABSTRACT:
A process for the bleaching of an exposed photographic material utilizes a peroxide bleach solution to remove metallic silver from the exposed photographic material. The silver from the photographic material passes into the bleach solution such that at least part of the excess silver over that required to catalyze the bleaching action is removed from the bleach solution by forming an insoluble silver compound, for example, by the addition of a halide. The invention provides an apparatus for use in the bleaching method.
REFERENCES:
patent: 3832453 (1974-08-01), Slovonsky et al.
patent: 4277556 (1981-07-01), Koboshi et al.
patent: 5342740 (1994-08-01), Goto et al.
Eastman Kodak Company
Le Hoa Van
Tucker J. Lanny
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