发明授权
- 专利标题： Color photographic recording material
- 专利标题（中）： 彩色摄影材料
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申请号： US227469申请日： 1999-01-08
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公开(公告)号： US6150079A公开(公告)日： 2000-11-21
- 发明人: Peter Bergthaller
- 申请人： Peter Bergthaller
- 申请人地址： BEX
- 专利权人： Agfa Gevaert N.V
- 当前专利权人： Agfa Gevaert N.V
- 当前专利权人地址： BEX
- 优先权： DEX19801352 19980116
- 主分类号： G03C7/38
- IPC分类号： G03C7/38 ; C09B57/00 ; G03C7/305 ; G03C7/32 ; G03C1/08 ; G03C7/26
摘要：
A color photographic material, the cyan coupler of which is of the formula ##STR1## in which R.sub.11 means an alkyl, aryl, acylamino, alkylcarbamoyl, arylcarbamoyl or a heterocyclic group,R.sub.12 means a group having electron-attracting characteristics,R.sub.13 means a group having electron-attracting characteristics,R.sub.14 means an alkyl or aryl group,R.sub.15 means a divalent linking member having 2 to 4 linking atoms,X means .dbd.O or .dbd.N--SO.sub.2 R.sub.21 andY means a group eliminable by hydrolytic or intramolecular (nucleophilic) attack,is distinguished by improved processing stability.
公开/授权文献
- US4930439A Mask-repairing device 公开/授权日：1990-06-05
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