Color photographic silver halide material

US5441861A · kind A · utility

Assignee

• AGFA-Gervaert AG · DE

Inventors

• Beate Weber · Leichlingen, DE
• Gunter Helling · Siegburg, DE
• Klaus Walz
• Markus Geiger · Langenfeld, DE
• Kaspar Wingender · Leverkusen, DE
• Jorg Hagemann · Neunburg vorm Wald, DE

Key dates

• Filing date: Aug 26, 1993
• Grant date: Aug 15, 1995
• Expiry date: Aug 26, 2013

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C7/39216
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A color photographic material with at least one silver halide emulsion layer which contains a color coupler distributed in a polymeric oil former and at least one compound of the formula (I) ##STR1## in which R means alkyl, cycloalkyl, alkenyl, aryl, acyl, alkylsulphonyl or arylsulphonyl, PA1 R.sub.1 means a chemical bond or a divalent bridging member, PA1 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 the remaining atoms of a benzene ring condensed with the phenyl residue and PA1 m and n mean 0 to 3, wherein all alkyl, alkoxy, cycloalkyl, alkenyl, aryl, aryloxy and acyl residues may be further substituted, is characterized by improved color stability.