Developing agents

Details Developing agents Developing agents

1987-10-23

1990-04-17

Raymond, Richard L.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Developer

430468, 430471, 430474, 430476, 430481, 430490, 544140, 544371, 546211, 548364, G03C 538, C07D40314

Patent

active

049179926

ABSTRACT:
Salts of 1-phenyl-3-pyrazolidinones which are useful photographic silver halide developing agents.

REFERENCES:
patent: 2384592 (1945-09-01), Bean
patent: 2688547 (1954-09-01), Kridel et al.
patent: 2893865 (1959-07-01), Welliver et al.
patent: 3241967 (1966-03-01), DeMarle et al.
patent: 3247201 (1966-04-01), DeMarle et al.
patent: 3867151 (1975-02-01), Katz
patent: 4753869 (1988-06-01), Long et al.

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