Granulated photographic fixative and its preparation

Details Granulated photographic fixative and its preparation Granulated photographic fixative and its preparation

1990-06-13

1991-10-08

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Process of preparing composition from plural preformed...

430393, 430458, 430459, 430460, 430461, 430465, G03C 538, G03C 544

Patent

active

050553844

ABSTRACT:
A granulated photographic fixative or bleach fixative composed of grains containing both a thiosulphate and a disulphite is mechanically stable, dust free and freely pourable, will keep indefinitely and is distinguished by its great speed of solution.

REFERENCES:
patent: 2543086 (1951-02-01), Wiitala
patent: 3615508 (1971-10-01), Stephen et al.
patent: 4923786 (1990-05-01), Kuhnert et al.

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