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公开(公告)号:US5543280A
公开(公告)日:1996-08-06
申请号:US557734
申请日:1995-11-13
申请人: Beate Weber , J org Hagemann , G unter Helling , Markus Geiger
发明人: Beate Weber , J org Hagemann , G unter Helling , Markus Geiger
CPC分类号: G03C7/396 , C07C69/54 , C07C69/96 , G03C7/39216 , G03C7/3022 , G03C7/30535
摘要: A color photographic material which contains in at least one blue sensitive layer containing a yellow coupler a compound of the formula (I) ##STR1## in which R.sub.1 means --(X).sub.m --R.sub.4,m means 0 or 1,X means --CO--, --CO--NR.sub.5 -- or --CO--O--,R.sub.4 means H, alkyl, aryl or alkenyl,R.sub.2 means H or alkyl,R.sub.3 means H or alkyl,R.sub.5 means H, alkyl, cycloalkyl or aryl,n means 1 to 20, providing that m is 1 in at least 10% of the R.sub.1 groups, is distinguished by improved color stability.
摘要翻译: 在含有黄色成色剂的至少一个蓝色感光层中含有式(I)化合物的彩色感光材料表示-CO-,-CO-NR5-或-CO-O-,R4表示H, 烷基,芳基或烯基,R 2表示H或烷基,R 3表示H或烷基,R 5表示H,烷基,环烷基或芳基,n表示1至20,条件是在至少10%的R 1基团中m为1, 区别在于颜色稳定性的提高。