Color photographic print material

US6806042B2 · kind B2 · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Ralf Weimann · Leverkusen, DE
• Markus Geiger · Langenfeld, DE
• Cuong Ly · Cologne, DE
• Klaus Sinzger · Leverkusen, DE
• Beate Weber · Leichlingen, DE
• Heinz Wiesen · Euskirchen, DE

Key dates

• Filing date: Jul 2, 2003
• Grant date: Oct 19, 2004
• Expiry date: Jul 2, 2023

Classification

• Technology area (CPC G): Physics
• CPC primary: G03C2200/19
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A print material having a support, at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, characterised in that the red-sensitive layer contains at least one oil former, the cyan coupler is of the formula in whichR1 means a hydrogen atom or an alkyl group,R2 means an alkyl, aryl or hetaryl group,R3 means an alkyl or aryl group,R4 means an alkyl, alkenyl, alkoxy, aryloxy, acyloxy, acylamino, sulfonyloxy, sulfamoylamino, sulfonamido, ureido, hydroxycarbonyl, hydroxycarbonylamino, carbamoyl, alkylthio, arylthio, alkylamino or arylamino group or a hydrogen atom andZ means a hydrogen atom or a group eliminable under the conditions of chromogenic development,and the ratio by weight of oil former to cyan coupler is less than 1:1, is distinguished by excellent colour reproduction.