1H-pyrazolo[1,5-b]-1,2,4-triazole compound, coupler and...

Details 1H-pyrazolo[1,5-b]-1,2,4-triazole compound, coupler and... 1H-pyrazolo[1,5-b]-1,2,4-triazole compound, coupler and...

2006-02-07

2006-02-07

Solola, Taofiq (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S262200

Reexamination Certificate

active

06995273

ABSTRACT:
A compound represented by the following formula (I):and a silver halide color photographic light-sensitive material containing the compound as a coupler. In formula (I), R represents an alkyl, alkenyl, alkynyl, aryl or heterocyclic group; L is —CO— or —SO2—; and X is a hydrogen atom or a group capable of being split-off upon coupling with an oxidized product of a developing agent selected from the group consisting of a halogen atom, an aryloxy group, an alkoxy group, an arylthio group, an alkylthio group, an acyloxy group, a sulfonamide group, and an acylamino group whose bonding site is the nitrogen atom.

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