Photographic fixing composition with mixture of fixing agents an

Details Photographic fixing composition with mixture of fixing agents an Photographic fixing composition with mixture of fixing agents an

1998-12-30

2000-02-08

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Fixer

430455, G03C 538

Patent

active

060226765

ABSTRACT:
Color photographic silver halide elements, such as color films, can be rapidly fixed using a fixing composition containing a mixture of thiosulfate and thiocyanate fixing agents in specific amounts and molar ratio. The composition also includes predominantly ammonium cations (at least 55 mol %). Besides effective and rapid silver removal (up to 60 seconds), the fixing composition also minimizes residual dye stain from sensitizing dye aggregates within the photographic elements.

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