Patent · US Expired

Light-sensitive silver halide photographic material

US4049455A · kind A · utility

4Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 26, 1976
Grant dateSep 20, 1977
Priority date
Expiry dateJul 26, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/158
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A light-sensitive silver halide photographic material containing a new development inhibitor releasing compound. The said compound has no hydrogen atom at the carbon atom which is adjacent to the carbonyl group and capable of coupling to an oxidation product of a color developing agent on the development.

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