Photographic silver halide material which contains color coupler

Details Photographic silver halide material which contains color coupler Photographic silver halide material which contains color coupler

1974-12-09

1976-03-02

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Collecting electrode details

96 9, 96 55, 96 565, G03C 140

Patent

active

039416011

ABSTRACT:
This invention relates to a color photographic material with at least one silver halide emulsion layer having improved stability against crystallization and which contains in dispersed form a open chain keto methylene coupler a naphtholic or pyrazolone color coupler substituted with a 2-cyclo-pentyl-4-t-butyl-phenoxy group in a non-coupling position.

REFERENCES:
patent: 3652286 (1972-03-01), Credner et al.
patent: 3762921 (1973-10-01), Eynde et al.
patent: 3770445 (1973-11-01), Pelz et al.

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