Patent · US Expired

Silver halide photosensitive materials for color photography

US4929539A · kind A · utility

2Cited by
10References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1988
Grant dateMay 29, 1990
Priority date
Expiry dateMay 6, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C311/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There is disclosed a silver halide photosensitive material for color photography which comprises a phenol type cyan coupler having the formula: ##STR1## wherein the substituents X.sup.1, X.sup.2, Y, Z and n are as defined in the specification and claim of this application. The cyan coupler mentioned above is a novel cyan dye image-forming coupler and the photosensitive material containing the same according to the present invention has removed the various drawbacks in the prior art.

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