Patent · US Expired

Silver halide color photographic material

US4562146A · kind A · utility

23Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1984
Grant dateDec 31, 1985
Priority date
Expiry dateNov 16, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/39236
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide color photographic material is disclosed. The material contains a photographic magenta coupler of formula (I) and a phenolic compound of formula (II) within a silver halide emulsion layer: ##STR1## (wherein R.sub.1 and R.sub.2 are each an alkyl group or an aryl group; Z is a hydrogen atom or a group that can be eliminated upon coupling reaction with the oxidized product of a color developing agent); ##STR2## (wherein R.sub.3 is an alkyl group, an alkoxy group, an aryl group or an amino group; R.sub.4 is an alkyl group, an alkoxy group or a halogen atom; s is an integer of 0 to 2, provided that when s is 2, R.sub.4 may be the same or different).

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