Patent · US Expired

Color-photographic recording material

US4576907A · kind A · utility

1Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 29, 1984
Grant dateMar 18, 1986
Priority date
Expiry dateAug 29, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/3924
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Compounds corresponding to the following formula EQU (MS--Het--(Ar).sub.m --NR.sup.1 --CO) .sub.n R.sup.2 which are contained in a color-photographic recording material in a silver-free layer between a layer containing colloidal silver and a silver halide emulsion layer, improve the storage stability of the material.

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