发明授权
- 专利标题： Color photographic silver halide material
- 专利标题（中）： 彩色照相卤化银材料
-
申请号： US453665申请日： 1995-05-30
-
公开(公告)号： US5508157A公开(公告)日： 1996-04-16
- 发明人: Beate Weber , Markus Geiger , Gunter Helling , Jorg Hagemann
- 申请人： Beate Weber , Markus Geiger , Gunter Helling , Jorg Hagemann
- 申请人地址： DEX
- 专利权人： Agfa-Gevaert AG
- 当前专利权人： Agfa-Gevaert AG
- 当前专利权人地址： DEX
- 优先权： DEX4420520.1 19940613
- 主分类号： G03C7/00
- IPC分类号： G03C7/00 ; C07D487/04 ; G03C7/30 ; G03C7/32 ; G03C7/388 ; G03C7/392
摘要：
A color photographic silver halide material in which at least one coupler is dissolved or dispersed in a coupler solvent corresponding to the following formula: ##STR1## in which R.sub.1 is alkyl, alkenyl, cycloalkyl or cycloalkenyl,R.sub.2 and R.sub.3 are alkylene or alkenylene,X is CO, NHCO or SO.sub.2,n is 0 or 1 andl, m are numbers of 1 to 5,is distinguished by steep gradation and improved maximum density.
信息查询
