Patent · US Expired

Light-sensitive halide color photographic material containing non-diffusion coupler/1-phenyl-3-pyrazolidone derivative

US5104780A · kind A · utility

2Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 1990
Grant dateApr 14, 1992
Priority date
Expiry dateNov 7, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/16
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

There is disclosed a light-sensitive silver halide photographic material which comprises containing a compound having ##STR1## group at 4-position of a pyrazole ring, and having a residue of non-diffusion type coupler through an oxygen atom, a sulfur atom or an imino group at the 5-position of the same, wherein A represents a residue of 1-phenyl-3-pyrazolidone derivatives and p is 0 or 1.

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