Color photographic recording material containing a DIR coupler

Details Color photographic recording material containing a DIR coupler Color photographic recording material containing a DIR coupler

1990-09-21

1991-07-30

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430556, 430557, 430558, G03C 736

Patent

active

050359878

ABSTRACT:
Where DIR couplers corresponding to formula I are used in color photographic silver halide materials, good edge effects and interimage effects are obtained. ##STR1## In formula (I), A represents halogen, --OR, --SR, --CN, --COR, --CONHR, --COOR, --SO.sub.2 R, --SO.sub.2 NHR, ##STR2## R represents alkyl, aralkyl, aryl or hetaryl; Q represents a substituent for compelting a 5- or 6-membered heterocyclic ring;

REFERENCES:
patent: 2154918 (1939-04-01), Schneider et al.
patent: 2312040 (1943-02-01), Kendall et al.
patent: 3277554 (1966-01-01), Barr et al.
patent: 4801520 (1989-01-01), Inoue et al.

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