Patent · US Expired

Silver halide photographic emulsion

US4513081A · kind A · utility

8Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 21, 1984
Grant dateApr 23, 1985
Priority date
Expiry dateMay 21, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/346
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide photographic emulsion is described containing in combination at least one sensitizing dye represented by formula (I) and at least one cyan coupler represented by formula (II): ##STR1## wherein all the symbols are defined in the specification. In a preferred embodiment, in addition to the sensitizing dye (I) and the cyan coupler (II), there may also be included at least one compound represented by formula (III) ##STR2## wherein all the symbols are also defined in the specification.

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