Patent · US Expired

Photographic material containing a coupler composition comprising magenta coupler, phenolic solvent, and at least one aniline or amine

US5376519A · kind A · utility

13Cited by
9References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 1992
Grant dateDec 27, 1994
Priority date
Expiry dateApr 23, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/158
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A color photographic material and process provide a two-equivalent 3-anilino pyrazolone magenta dye-forming coupler, a phenolic coupler solvent and at least one amine compound.

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