Patent · US Expired

Silver halide recording material

US5089381A · kind A · utility

2Cited by
9References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 1991
Grant dateFeb 18, 1992
Priority date
Expiry dateMar 4, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C1/346
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A photosensitive silver halide material comprising a support and at least one photosensitive silver halide emulsion layer, of which the emulsion contains an effective quantity of at least one compound from each of at least two classes A, B, C and D defined hereinafter: PA0 A) compounds corresponding to general formula I ##STR1## B) compounds corresponding to general formula II ##STR2## or tautomers thereof, C) compounds corresponding to general formula (III) ##STR3## D) compounds corresponding to general formula IV ##STR4## in which R.sub.1 -R.sub.3, R.sub.11 -R.sub.19, Y, Z, m and n are as defined in the specification, are distinguished by effective latent image stabilization for a minimum increase in fogging and loss of sensitivity.

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