Patent · US Expired

Color photographic recording material

US5441855A · kind A · utility

4Cited by

3References

6Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Beate Weber · Leichlingen, DE
Jorg Hagemann · Neunburg vorm Wald, DE
Gunter Helling · Siegburg, DE
Markus Geiger · Langenfeld, DE

Key dates

Filing date	Jun 9, 1994
Grant date	Aug 15, 1995
Priority date	—
Expiry date	Jun 9, 2014

Classification

Technology area (CPC G)Physics
CPC primaryG03C2200/11
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A color photographic material which contains in at least one blue-sensitive layer a yellow coupler and a compound of the formula (I) ##STR1## in which R.sub.1 means hydrogen or alkyl, PA1 R.sub.2 means hydrogen or alkyl, PA1 R.sub.3 means hydrogen or alkyl, PA1 1 means 1 to 20 PA1 X ##STR2## or cycloalkene, R.sub.4 means hydrogen or alkyl, PA1 R.sub.5 means hydrogen or alkyl and PA1 n means 1 to 6, shows improved light-stability of the yellow dye obtained from said yellow coupler by exposure and processing.

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