Patent · US Expired

Color image-forming process

US4587207A · kind A · utility

4Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1984
Grant dateMay 6, 1986
Priority date
Expiry dateSep 26, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/30535
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A color image-forming process is described, comprising developing an exposed silver halide light-sensitive material with an aromatic primary amine color developing agent in the presence of an .alpha.-acyl-.alpha.-unsubstituted or substituted phenoxyacetanilide type yellow coupler having a sulfamoyl group in an m-position of the acetanilido group with respect to the amino group.

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