Patent · US Expired

Silver halide photographic light-sensitive material containing a novel yellow coupler

US5066574A · kind A · utility

13Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 1990
Grant dateNov 19, 1991
Priority date
Expiry dateOct 1, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D233/72
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A silver halide photographic light-sensitive material which contains a noble 2-equivalent yellow coupler having an excellent color forming property and an improved dispersion stability in emulsion is disclosed. The coupler is represented by the following formula (I), (II), or (III): ##STR1##

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