Concentrated color developer composition for silver halide photo

Details Concentrated color developer composition for silver halide photo Concentrated color developer composition for silver halide photo

1992-08-11

1993-11-09

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Developer

430484, 430485, 430486, 430490, G03C 730

Patent

active

052601854

ABSTRACT:
A concentrated composition of color developer for silver halide color photographic light-sensitive material is disclosed. The composition is excellent in stability during storage for a long period. The composition comprises a specified hydroxyamine derivative and a specific chelating agent. The composition preferably has a pH value of not lower than 10.6.

REFERENCES:
patent: 4837139 (1989-06-01), Kobayashi et al.
patent: 4948713 (1990-08-01), Kobayashi
patent: 4985347 (1991-01-01), Fujimoto et al.
patent: 5053322 (1991-10-01), Shiba et al.
patent: 5153111 (1992-10-01), Yoshida et al.

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