Developing/fixing monobath and its use for processing low silver

Details Developing/fixing monobath and its use for processing low silver Developing/fixing monobath and its use for processing low silver

1999-10-26

2000-06-13

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Fixer

430139, 430419, G03C 538

Patent

active

060748060

ABSTRACT:
Low silver black-and-white photographic silver halide elements, such as radiographic films, can be processed quickly using a developing/fixing monobath composition that includes an ascorbic acid developing agent, sulfite ions and a photographic fixing agent that has both a thiol group and an amino group (such as cysteine).

REFERENCES:
patent: 3721562 (1973-03-01), Land
patent: 5800976 (1998-09-01), Dickerson et al.
patent: 5876913 (1999-03-01), Dickerson et al.

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