Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
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.
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patent: 4906555 (1990-03-01), Hirose et al.
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Chemical Abstracts, vol. 109, No. 13, Sep. 26, 1988, p. 623, Abstract No. 119522f.
Mizukawa Yuki
Naruse Hideaki
Sato Tadahisa
Takahashi Osamu
Bowers Jr. Charles L.
Fuji Photo Film Co. , Ltd.
Neville Thomas R.
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