Silver halide photosensitive color photographic material

Details Silver halide photosensitive color photographic material Silver halide photosensitive color photographic material

1981-12-21

1984-03-20

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

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

430544, 430548, 430553, 430555, 430557, 430558, G03C 146, G03C 726

Patent

active

044381930

ABSTRACT:
There is disclosed a novel silver halide photosensitive color photographic material comprising a coupler which consists of a coupling component (A) which is capable of causing a coupling reaction with an oxidized color developing agent and a substituent component bonded at the coupling position of said coupling component (A), which substituent component is capable of being split off on coupling reaction, the improvement characterized in that said substituent comprises a coupling component (B) which can undergo coupling reaction with an oxidized color developing agent when released from said coupling component (A) and a photographically useful component which is capable of being released on coupling reaction of said coupling component (B).
The color photographic material according to the present invention provides graininess, sharpness and color reproducibility which is sufficiently competent to the requirement of further miniturization of film size by use of a coupler having novel functions.

REFERENCES:
patent: 2706683 (1955-04-01), Sawdey
patent: 3476563 (1969-11-01), Loria
patent: 3930866 (1976-01-01), Oishi et al.
patent: 4283472 (1981-08-01), Gompf et al.
patent: 4310618 (1982-01-01), Fernandez et al.

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