Patent · US Expired

Thermally developable light sensitive material using trivalent and tetravalent cerium compounds

US4258129A · kind A · utility

15Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 1976
Grant dateMar 24, 1981
Priority date
Expiry dateAug 4, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C5/50
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A thermally developable light sensitive material which comprises: (a) an organic silver salt; (b) a photocatalyst and (c) a reducing agent in a support or in one or more layers provided on the support additionally comprises (d) at least one cerium compound selected from trivalent and/or tetravalent cerium compounds in the support and/or in one or more of the above layers. An improvement in various characteristics such as a long green shelf life, a high degree of whiteness, low thermal fog, high sensitivity and so on is obtained.

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