Patent · US Expired

Method for the formation of color photographic materials with high coupling reactivity and reduced color developer PH sensitivity

US5342746A · kind A · utility

5Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 5, 1993
Grant dateAug 30, 1994
Priority date
Expiry dateFeb 5, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/3885
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide light-sensitive photographic element comprising a support and provided thereon a plurality of light-sensitive layers including a green-sensitive layer comprising a dispersion of particles in a hydrophilic colloid, the particles comprising a pyrazolazole dye forming coupler dissolved in a coupler solvent comprising a long chain unsaturated alcohol.

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