Silver halide elements containing yellow forming color couplers

Details Silver halide elements containing yellow forming color couplers Silver halide elements containing yellow forming color couplers

1978-09-19

1980-05-06

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430467, 430472, 430566, G03C 700, G03C 140

Patent

active

042015847

ABSTRACT:
Novel color forming couplers for use in silver halide color photography are described. These couplers upon oxidative coupling with an aromatic primary amino color developing agent produce dyes of improved stability against light and dyes having favorable spectral absorption characteristics. The couplers have high coupling activity and thus produce high color densities.
The novel couplers are acylacetanilide compounds whereof the phenyl nucleus of the anilide group carries oxyhydrocarbon groups, preferably alkoxy groups in the 2-, 4- and 5-position with respect to the amido group.

REFERENCES:
patent: 3510306 (1970-05-01), Yoshida et al.
patent: 3966475 (1976-06-01), Van Poucke et al.
patent: 4032347 (1977-06-01), Van Poucke et al.
patent: 4049458 (1977-09-01), Boie et al.
patent: 4095983 (1978-06-01), Wolff et al.
patent: 4106942 (1978-08-01), Tanaka et al.

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