发明授权
- 专利标题: Pigments having improved coloristic properties and process for their preparation
- 专利标题(中): 具有改进的色素性质的颜料及其制备方法
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申请号: US10887495申请日: 2004-07-08
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公开(公告)号: US06911074B2公开(公告)日: 2005-06-28
- 发明人: Yves Grandidier , Albert Riegler , Klaus Ruf , Urs Schlatter
- 申请人: Yves Grandidier , Albert Riegler , Klaus Ruf , Urs Schlatter
- 申请人地址: US NY Tarrytown
- 专利权人: CIBA Specialty Chemicals Corp.
- 当前专利权人: CIBA Specialty Chemicals Corp.
- 当前专利权人地址: US NY Tarrytown
- 代理商 Tyler A. Stevenson
- 优先权: CH1279/99 19990709
- 主分类号: G02B5/20
- IPC分类号: G02B5/20 ; C09B67/00 ; C09B67/04 ; C09B67/10 ; C09B67/20 ; C09B67/48 ; C09D11/00 ; C09D17/00 ; C07D487/02
摘要:
This invention relates to 1,4-diketopyrrolo[3,4c]-pyrrole pigments of the formula characterized by desirable color properties and novel visible absorbance spectra with a steep slope on the bathochromic side of the absorption maximum in the range of from 500 to 650 nm.
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