Photographic developing agents containing stable, soluble, pyraz

Details Photographic developing agents containing stable, soluble, pyraz Photographic developing agents containing stable, soluble, pyraz

1986-11-24

1988-06-28

Shah, Mukund J.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Developer

430440, 430481, 430483, 548363, G03C 524, G03C 102

Patent

active

047538694

ABSTRACT:
Salts of 1-phenyl-3-pyrazolidinones with organic sulphonic acids, which are useful photographic silver halide developing agents.

REFERENCES:
patent: 2444803 (1948-07-01), Bean
patent: 2893865 (1959-07-01), Welliver et al.
patent: 3038801 (1962-06-01), Alletag et al.
patent: 3241967 (1966-03-01), DeMarle et al.
patent: 4514494 (1985-04-01), Lemahieu et al.

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