Patent · US Expired

Silver halide color photographic light-sensitive material

US4552836A · kind A · utility

4Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1984
Grant dateNov 12, 1985
Priority date
Expiry dateApr 19, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/342
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide color photographic light-sensitive material which has superior fastness to both heat and light, exhibits absorption desirable from the viewpoint of color reproduction, and has superior color forming property is disclosed which comprises a support having thereon a cyan dye forming coupler represented by the following general formula (I) and a cyan dye forming coupler represented by the following general formula (II): ##STR1## wherein R.sup.1 and R.sup.4 each represents a substituted or unsubstituted alkyl, aryl or heterocyclic group, R.sup.2, R.sup.3 and R.sup.5 each represents a hydrogen atom, a halogen atom, or a substituted or unsubstituted alkyl or aryl group, R.sup.6 represents a group with which a benzene ring can be substituted, X.sup.1 and X.sup.2 each represents a group which can be released upon an oxidative coupling reaction with a developing agent, R.sup.4 and R.sup.5 may combine together to form a 5-membered or 6-membered ring, and n represents an integer of 1 to 5.

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