Concentrated photographic developing slurriers

Details Concentrated photographic developing slurriers Concentrated photographic developing slurriers

1997-07-24

1999-02-09

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Developer

430490, G03C 5305

Patent

active

058692266

ABSTRACT:
Improved concentrated photographic developing slurries having new and desirable characteristics prepared with conventional photographic processing agents eliminate solidification of sedimentation crystals during shipping, storage or extreme temperatures and provide readily solubilized concentrates which upon dilution form working strength photographic developing solutions. The concentrated developing slurries prepared according to these methods are characterized by two phases including an opaque precipitation phase having with a sedimentation comprising inorganic antioxidant agents and a clear phase comprising developing agents dissolved therein.

REFERENCES:
patent: 4987060 (1991-01-01), Marchesano
patent: 5187050 (1993-02-01), Yamada et al.
patent: 5376510 (1994-12-01), Parker et al.

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