Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1991-03-12
1993-03-16
Wright, Lee C.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430557, 430957, G03C 7305, G03C 736
Patent
active
051943697
ABSTRACT:
A silver halide color light-sensitive material containing a coupler represented by formula (I): ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl group; R.sub.2 and R.sub.3, same or different, each represent a group capable of substituting a benzene ring; Y represents a halogen atom, an alkoxy group, an alkoxycarbonyl group, a substituted or unsubstituted alkyl group, an alkylthio group, an aryloxy group, an alkylsulfonyl group, an arylthio group, or a carbamoyl group; X represents an organic residue necessary to form a substituted or unsubstituted 5- or 6-membered nitrogen-containing heterocyclic ring together with the nitrogen atom; l represents 0 or an integer of from 1 to 5; and m represents 0 or an integer of from 1 to 4.
The coupler of formula (I) is excellent in dye image stability.
REFERENCES:
patent: 4095984 (1978-06-01), Sueyoshi et al.
patent: 4149886 (1979-04-01), Tanaka et al.
patent: 4477563 (1984-10-01), Ichijima et al.
patent: 4579816 (1986-04-01), Ohlschlager et al.
patent: 5006452 (1991-04-01), Bucci
Ichijima Seiji
Kawagishi Toshio
Mihayashi Keiji
Motoki Masuji
Saito Naoki
Fuji Photo Film Co. , Ltd.
Wright Lee C.
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