Silver halide color photographic material containing pyrazolo (1

Details Silver halide color photographic material containing pyrazolo (1 Silver halide color photographic material containing pyrazolo (1

1990-01-31

1991-11-19

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430567, 430571, G03C 108

Patent

active

050665758

ABSTRACT:
The present invention relates to a silver halide color photographic material comprising a support having thereon at least one silver halide emulsion layer, which contains at least one nondiffusible pyrazolo(1,5-b)(1,2,4)triazole magenta coupler represented by the following general formula (I) in at least one of the silver halide emulsion layers in order to acquire high color formability and to produce a dye image excellent in hue: ##STR1## wherein R.sub.1 represents an alkyl group; R.sub.2 and R.sub.3 each represents a hydrogen atom or an alkyl group, provided that both are not a hydrogen atom; R.sub.4 represents an alkyl group, an alkoxy group or a halogen atom; L represents an alkylene group; m represents an integer of 0 to 5; n represents an integer of 0 to 5, and when n is 2 or more, the R.sub.4 's may be different from one another; and X represents a halogen atom.

REFERENCES:
patent: 4766057 (1981-03-01), Sakai
patent: 4830956 (1989-05-01), Waki
patent: 4906555 (1990-03-01), Hirose et al.
patent: 4920042 (1990-04-01), Waki
patent: 4968588 (1990-11-01), Ishikawa et al.
Chemical Abstracts, vol. 109, No. 13, Sep. 26, 1988, p. 623, Abstract No. 119522f.

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