Patent · US Expired

Color photographic recording material

US5441862A · kind A · utility

1Cited by

4References

11Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Beate Weber · Leichlingen, DE
Gunter Helling · Siegburg, DE
Markus Geiger · Langenfeld, DE

Key dates

Filing date	Oct 27, 1994
Grant date	Aug 15, 1995
Priority date	—
Expiry date	Oct 27, 2014

Classification

Technology area (CPC G)Physics
CPC primaryG03C7/3885
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A color photographic recording material with at least one silver halide emulsion layer and a color coupler associated with that layer, which contains in the silver halide emulsion layer or in an adjacent non-photosensitive binder layer a combination of a color coupler and a compound corresponding to general formula (I) or (II): ##STR1## in which R.sub.4 is the residue of a polymer produced by polycondensation and PA1 R.sub.1 to R.sub.3, m and n are as defined in the specification, ##STR2## in which R.sub.4 is as defined above and L.sub.1, L.sub.2, X, R.sub.5 to R.sub.11, p, q and r are as defined in the specification, is distinguished by improved stability of the image dyes produced from yellow couplers.

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