Patent · US Expired

Silver halide color photographic material

US4863841A · kind A · utility

5Cited by
14References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1989
Grant dateSep 5, 1989
Priority date
Expiry dateFeb 13, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/30
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide color photographic material comprising a support having thereon at least one photosensitive silver halide emulsion layer, wherein a 5-pyrazolone type 2-equivalent coupler is present in the photosensitive silver halide emulsion layer or a layer adjacent thereto and a hardening agent which acts by activating a carboxy group is present in a photosensitive or non-photosensitive photographic layer of the silver halide color photographic material.

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