Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1988-09-26
1990-02-13
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430552, 430553, 430569, G03C 114, G03C 734
Patent
active
049006568
ABSTRACT:
A silver halide color photographic material and a process for preparing the photographic material are disclosed, comprising a support and at least one silver halide emulsion layer on the support, wherein the emulsion layer contains a silver halide emulsion which has been spectrally sensitized by adding a spectrally sensitizing dye prior to the completion of formation of silver halide particles, and at least one cyan coupler represented by formula (I) ##STR1## wherein R.sub.11 and R.sub.12 each represents an alkyl group, an aryl group, a heterocyclic group, an alkyloxy group, an aryloxy group, a heterocyclic oxy group, an alkylamino group, an arylamino group, or a heterocyclic amino group, R.sub.13 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxyl group, an aryloxy group, an acyloxy group, or an acylamino group, X is a group capble of being released upon the oxidative coupling reaction with a developing agent, or R.sub.12 and R.sup.13 together form a 5- or 6-membered ring.
REFERENCES:
patent: 4225666 (1980-09-01), Locker et al.
patent: 4513081 (1985-04-01), Okazaki et al.
patent: 4683193 (1987-07-01), Ihama et al.
Ihama Mikio
Okazaki Masaki
Tani Tadaaki
Buscher Mark R.
Fuji Photo Film Co. , Ltd.
Michl Paul R.
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