Pyrazolidinone salts as developing agents

Details Pyrazolidinone salts as developing agents Pyrazolidinone salts as developing agents

1986-02-28

1987-08-18

Ramsuer, Robert W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

546211, 548364, 430465, C07D41306, C07D40106

Patent

active

046878467

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

REFERENCES:
patent: 3247201 (1966-04-01), De Marle et al.

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