Patent · US Expired

Silver halide color photographic material

US5464731A · kind A · utility

1Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 1994
Grant dateNov 7, 1995
Priority date
Expiry dateMar 1, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03C7/3835
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A silver halide color photographic material comprising a support provided thereon at least one light sensitive silver halide emulsion layer and at least one light insensitive layer, wherein the light insensitive layer contains at least one of the compounds represented by Formula (I) and at least one of the compounds represented by Formula (II); and the amount of the compounds represented by Formula (II) in the above light insensitive layer is 15 to 100 mole % of the amount of the compounds represented by Formula (I) in the same light insensitive layer: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represent an alkyl group, provided that a total of carbon numbers of R.sub.1 and R.sub.2 and a total of carbon numbers of R.sub.3 and R.sub.4 each are 16 or more and 60 or less and that a hydroquinone structure is not involved in R.sub.1, R.sub.2, R.sub.3, and R.sub.4.

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