Patent · US Expired

Silver halide photosensitive material

US4695534A · kind A · utility

4Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1986
Grant dateSep 22, 1987
Priority date
Expiry dateDec 29, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/07
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A photographic silver halide emulsion comprising a thioether substituted pyridine compound having improved ripening properties. A process for preparation of the emulsion is also described.

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