Color photographic light-sensitive elements containing anti-colo

Details Color photographic light-sensitive elements containing anti-colo Color photographic light-sensitive elements containing anti-colo

1978-09-01

1980-11-04

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Two or more radiation-sensitive layers containing other than...

430551, 430362, 430372, G03C 176

Patent

active

042321140

ABSTRACT:
A color photographic light-sensitive element having (1) reduced fog, (2) low reduction in sensitivity and (3) good yellow dye image light fastness, and comprising a support having thereon at least one silver halide photographic emulsion and optionally one or more non-light-sensitive subsidiary layers, wherein a blue-sensitive silver halide photographic emulsion layer and/or a non-light-sensitive layer adjacent thereto contains at least one asymmetrical hydroquinone compound selected from the group consisting of 2-methyl-5-tert-octylhydroquinone, 2-tert-butyl-5-tert- amylhydroquinone, 2-tert-butyl-5-tert-hexylhydroquinone, 2-methyl-5-tert-hexylhydroquinone, 2-methyl-5-tert-amylhydroquinone, 2-methyl-5-(1'-methylcyclohexyl)hydroquinone and precursors thereof wherein either or both hydroxyl groups are modified with an acyl group represented by the formulae: ##STR1## wherein R represents an alkyl group.

REFERENCES:
patent: 2701197 (1955-02-01), Thirtle et al.
patent: 2732300 (1956-01-01), Thirtle et al.
patent: 3930866 (1976-01-01), Oishi et al.
patent: 3935016 (1976-01-01), Nishimura et al.
patent: 3948663 (1976-04-01), Shiba et al.

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