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: US273955申请日: 1988-11-18
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公开(公告)号: US4855222A公开(公告)日: 1989-08-08
- 发明人: Gunter Renner , Erich Wolff , Heinz Wiesen , Werner Liebe
- 申请人: Gunter Renner , Erich Wolff , Heinz Wiesen , Werner Liebe
- 申请人地址: DEX
- 专利权人: Agfa-Gevaert Aktiengesellschaft
- 当前专利权人: Agfa-Gevaert Aktiengesellschaft
- 当前专利权人地址: DEX
- 优先权: DEX3741088 19871204
- 主分类号: G03C7/36
- IPC分类号: G03C7/36 ; G03C7/305
摘要:
Dye images of high color yield and high gradation are obtained with a color photographic recording material containing 2-equivalent yellow couplers corresponding to formula I, particularly in modern rapid processing methods or in developers free from benzyl alcohol. ##STR1## R.sup.1, R.sup.2 (same or different) represent hydrogen, alkyl or halogen; R.sup.3 represents alkoxyalkyl or an alkyl radical substituted by a heterocyclic group containing at least one oxygen atom;R.sup.4 represents alkyl or aryl;R.sup.5 represents halogen or alkoxy;R.sup.6 represents hydrogen, alkoxy, amino, acylamino or carbamoyl;represents alkoxy, acylamino, carbalkoxy, carbamoyl or sulfamoyl.
公开/授权文献
- US6042554A Valve sizer and method of use 公开/授权日:2000-03-28
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