Patent · US Expired

Silver halide color photographic material and image-forming method

US6238856A · kind A · utility

1Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 2000
Grant dateMay 29, 2001
Priority date
Expiry dateMay 5, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C2200/21
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide color photographic material comprising a support having provided thereon at least one hydrophilic colloidal layer containing at least one color-developing agent represented by general formula (1) and at least one coupler represented by general formula (2): ##STR1## PA1 wherein C.alpha. represents a carbon atom, Z represents a carbamoyl group, an acyl group, an alkoxycarbonyl group or an aryloxycarbonyl group, and Q represents an atomic group forming an unsaturated ring together with C.alpha.. ##STR2## PA2 wherein C.beta. represents a carbon atom, EWG represents a cyano group, a carbamoyl group or an alkoxycarbonyl group, LG represents a group which is released by a coupling reaction with an oxidation product of a developing agent, and M represents an atomic group forming a 5-membered aromatic heterocycle together with C.beta..

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.