Photographic bleaching composition and a processing method there

Details Photographic bleaching composition and a processing method there Photographic bleaching composition and a processing method there

1992-06-25

1993-10-05

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430430, 430460, 430461, G03C 700, G03C 599, G03C 538, G03C 542

Patent

active

052504026

ABSTRACT:
A photographic processing composition for processing a silver halide photographic light-sensitive material. The composition contains at least one metal chelating compound formed from a metal salt of Fe(III) and a monoamine compound or salt thereof represented by formula (I-a') or (I-b'): ##STR1## wherein R represents a substituent; Q represents a group of non-metal atoms necessary to form a heterocyclic ring; X and Y each represents a carbon atom or a nitrogen atom; L.sub.1 ' and L.sub.2 ' each represents an alkylene group; M.sub.1, M.sub.2, M.sub.3 each represents a hydrogen atom or a cation; and u represents 0, 1, 2, 3, or 4.

REFERENCES:
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patent: 3701662 (1972-10-01), Piccotti
patent: 4537856 (1985-08-01), Kurematsu et al.
patent: 4563405 (1986-01-01), Ishikawa et al.
patent: 5009985 (1991-04-01), Kunitz et al.

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