Patent · US Expired

Photographic system and novel compounds

US4713313A · kind A · utility

4Cited by
7References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1984
Grant dateDec 15, 1987
Priority date
Expiry dateMay 2, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C8/365
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds which include a quaternary group connected to a pyrimidine residue through a linkage are disclosed. These compounds are useful as silver halide solvents in photographic products, processes and compositions.

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