Patent · US Expired

Color photographic recording material

US5466569A · kind A · utility

9Cited by

5References

5Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

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

Key dates

Filing date	Jun 9, 1994
Grant date	Nov 14, 1995
Priority date	—
Expiry date	Jun 9, 2014

Classification

Technology area (CPC G)Physics
CPC primaryG03C7/39216
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A color photographic material, at least one layer of which contains a compound of the formula (I) ##STR1## in which X means --NH--, --NR-- or --O--, PA0 R means alkyl, cycloalkyl or aryl, PA0 R.sub.1 means a chemical bond or a divalent bridging member, PA0 R.sub.2 and R.sub.3 mean alkyl, alkoxy, alkenyl, cycloalkyl, aryl or aryloxy, or two residues R.sub.2 or R.sub.3 mean the remaining atoms of a benzene ring condensed with the phenyl residue and PA0 m and n mean 0 to 3, wherein all alkyl, alkoxy, cycloalkyl, alkenyl, aryl and aryloxy residues may be further substituted and in each of the two phenyl residues a residue R.sub.1, R.sub.2 or R.sub.3 is in para position relative to the oxygen atom, is characterized by improved dye stability after processing.

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