Silver halide photographic light-sensitive material containing a

Details Silver halide photographic light-sensitive material containing a Silver halide photographic light-sensitive material containing a

1990-12-06

1991-08-06

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430552, 430553, 430546, G03C 110, G03C 732

Patent

active

050377302

ABSTRACT:
A silver halide photographic light-sensitive material comprising at least one type of cyan dye-forming coupler represented by formula (I) below and at least one type of difficulty water-soluble epoxy represented by formula (II) below: ##STR1## wherein R.sub.1 represents an alkyl group having at least 7 carbon atoms, R.sub.2 represents an alkyl group with 2 to 15 carbon atoms, L represents a simple linkage or a bivalent linking group, Z represents a hydrogen atom, or a group or atom which can be released at the time of the coupling with the developing agent, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each represents a hydrogen atom, an aliphatic group, an aliphatic oxycarbonyl group, an aromatic oxycarbonyl group or a carbamoyl group, provided that R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are not all hydrogen atoms, and the total number of carbon atoms thereof is from 8 to 60, and in formula (II), a 5- to 7-membered ring may be formed with R.sub.3 and R.sub.4 or R.sub.3 and R.sub.5, respectively.

REFERENCES:
patent: 4239851 (1980-12-01), Aoki et al.
patent: 4540657 (1985-09-01), Krishnamurthy
patent: 4748100 (1988-05-01), Umemoto et al.
patent: 4770985 (1988-09-01), Takada et al.

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