Patent · US Expired

Method of producing light-sensitive composition for use in thermally developable light-sensitive elements and elements so produced

US4211839A · kind A · utility

11Cited by
8References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1978
Grant dateJul 8, 1980
Priority date
Expiry dateFeb 7, 1998

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/49845
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a method of producing a composition for use in thermally developable light-sensitive photographic elements comprising mixing: a composition comprising (a) an organic silver salt and (b) a light-sensitive silver halide, and (c) a reducing agent; the improvement wherein (b) is prepared by allowing a light-sensitive silver halide-yielding component to react with (a) in the presence of (d) an imino compound. The elements so produced are also described.

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