Color photographic material containing new 2-equivalent yellow c

Details Color photographic material containing new 2-equivalent yellow c Color photographic material containing new 2-equivalent yellow c

1977-09-06

1979-03-27

Brown, J. Travis

Gas separation: apparatus

Electric field separation apparatus

Collecting electrode details

96100N, G03C 140

Patent

active

041464001

ABSTRACT:
New 2-equivalent yellow couplers of the structure ##STR1## in which X represents a ring member selected from N and C; Y completes a 5-, 6- or 7-membered nitrogen-containing ring; R represents alkyl, aryl, alkoxy or heterocyclic ring; and A represent a yellow coupler radical provide high maximum color densities together with low fog on storage under humid conditions.

REFERENCES:
patent: 3700454 (1972-10-01), Sakamoto et al.
patent: 3880658 (1975-04-01), Lestina et al.
patent: 4021248 (1977-05-01), Shiba et al.

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