发明授权
- 专利标题: Acid polyazo dyes
- 专利标题(中): 酸性多偶氮染料
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申请号: US091360申请日: 1998-06-19
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公开(公告)号: US6011141A公开(公告)日: 2000-01-04
- 发明人: Gunther Lamm , Helmut Reichelt , Matthias Wiesenfeldt
- 申请人: Gunther Lamm , Helmut Reichelt , Matthias Wiesenfeldt
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX19548785 19951227
- 主分类号: C09B35/64
- IPC分类号: C09B35/64 ; C09B62/513
摘要:
Polyazo dyes of the formula ##STR1## where n, Y.sup.1, Y.sup.2, Y.sup.3, Y.sup.4, X, R.sup.1, R.sup.2 and R.sup.3 are each as defined in more detail in the description are useful for dyeing natural or synthetic substrates.
公开/授权文献
- USD416025S Vehicular adaptor station for a portable communication device 公开/授权日:1999-11-02