发明名称 Color photographic print material
摘要 A color photographic print material which contains a cyan coupler of the formulain 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, hydroxycarbonyl-amino, carbamoyl, alkylthio, arylthio, alkylamino or arylamino group or a hydrogen atom,Z means a hydrogen atom or a group eliminable under the conditions of chromogenic development,X means S, NH or NR5 andR5 means an alkyl or aryl group,is simultaneously distinguished by good light and dark stability as well as by good color reproduction.
申请公布号 US6534254(B1) 申请公布日期 2003.03.18
申请号 US20020041531 申请日期 2002.01.08
申请人 AGFA-GEVAERT 发明人 HELLING GUENTER;WEIMANN RALF;DZWONNEK SIEGFRIED
分类号 G03C7/00;G03C7/34;(IPC1-7):G03C1/08;G03C7/26;G03C7/32 主分类号 G03C7/00
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