Light-sensitive silver halide color photographic materials

Details Light-sensitive silver halide color photographic materials Light-sensitive silver halide color photographic materials

1978-11-28

1981-06-23

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430386, 430387, G03C 140

Patent

active

042751489

ABSTRACT:
A color photographic material comprising a light-sensitive silver halide emulsion layer coated on a support containing a magenta coupler represented by general formual [I] or [II]: ##STR1## wherein, R.sub.1 represents a hydrogen atom, an alkyl, aryl or 5 or 6-membered heterocyclic group, R.sub.2 represents a hydrogen atom, an alkyl, aryl, 5 or 6-membered heterocyclic, amino, sulfamoyl or carbamoyl group, R.sub.3 represents an alkyl, aryl or 5 or 6-membered heterocyclic group having from 12 to 35 carbon atoms, R.sub.4 represents an alkyl group having from 2 to 8 carbon atoms or a phenyl group, and R.sub.5 represents an alkyl group having from 2 to 8 carbon atoms.

REFERENCES:
patent: T887007 (1971-06-01), Dallon et al.
patent: 2436130 (1948-02-01), Weissberger et al.
patent: 2575182 (1951-11-01), Martin
patent: 2706685 (1955-04-01), Salminen
patent: 4123281 (1978-10-01), Monbaliu et al.

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