发明授权
US3947272A Silver halide emulsions containing 2-pyrazolon-5-one photographic colour
couplers
失效
含有2-吡唑啉-5-酮照相彩色成色剂的卤化银乳剂
- 专利标题: Silver halide emulsions containing 2-pyrazolon-5-one photographic colour couplers
- 专利标题(中): 含有2-吡唑啉-5-酮照相彩色成色剂的卤化银乳剂
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申请号: US452326申请日: 1974-03-18
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公开(公告)号: US3947272A公开(公告)日: 1976-03-30
- 发明人: Hector Alfons Vanden Eynde , Raphael Karel Van Poucke
- 申请人: Hector Alfons Vanden Eynde , Raphael Karel Van Poucke
- 申请人地址: BE Mortsel
- 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: BE Mortsel
- 优先权: UK16627/73 19730406
- 主分类号: G03C7/38
- IPC分类号: G03C7/38 ; C07D231/52 ; C09B26/02 ; G03C7/384 ; G03C7/00 ; G03C1/40
摘要:
Novel magenta forming colour couplers for use in silver halide colour photography are described which correspond to the formula: ##EQU1## wherein R.sub.1 represents hydrogen, alkyl or aryl; R.sub.2 represents fluoroalkyl, cyanoalkyl or phenyl; X is hydrogen or a displaceable group; Ar represents phenylene and Y represents alkyl, aryl, alkylamino, arylamino or alkylarylamino.
公开/授权文献
- USD324038S Electronic computer 公开/授权日:1992-02-18
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