Novel pyrazole compounds having silver halide development groups

Details Novel pyrazole compounds having silver halide development groups Novel pyrazole compounds having silver halide development groups

1982-05-03

1988-01-12

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430224, 430225, 430483, G03C 530

Patent

active

047191759

ABSTRACT:
There are described novel pyrazole compounds represented by the formula ##STR1## wherein Y is a silver halide developing substituent or a precursor thereof; R is --OH, --NH.sub.2 or --NHSO.sub.2 --R.sub.1 ; R.sub.1 is alkyl having from 1 to 6 carbon atoms or phenyl; and m and n are the same or different and each is an integer of from 1 to 6. The pyrazole compounds are useful as intermediates in the preparation of azo and azomethine dye developers or as silver halide developing agents.

REFERENCES:
patent: 2289367 (1942-07-01), Kendall
patent: 3252990 (1966-05-01), Green et al.
patent: 4267252 (1981-05-01), Idelson
patent: 4267253 (1981-05-01), Idelson
patent: 4656117 (1987-04-01), Chinoporos et al.

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