Patent · US Expired

Heat developable light-sensitive materials

US4207112A · kind A · utility

9Cited by
12References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1975
Grant dateJun 10, 1980
Priority date
Expiry dateNov 3, 1995

Classification

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

Abstract

A heat developable light-sensitive material comprising a support carrying at least one layer containing at least (a) an organic silver salt, (b) a light-sensitive halide or a light-sensitive silver halide-forming component, (c) a reducing agent and (d) phthalazinone, and which further has on another surface of the support opposite the above layer one layer containing a compound comprising a ##STR1## moiety, wherein M represents a hydrogen atom or a monovalent metal atom. The material shows improved retention of its as manufactured properties, especially in the superposed state.

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