发明授权
- 专利标题: Basic dyes
- 专利标题(中): 碱性染料
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申请号: US930200申请日: 1978-08-02
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公开(公告)号: US4176229A公开(公告)日: 1979-11-27
- 发明人: Hellmut Kast
- 申请人: Hellmut Kast
- 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
- 主分类号: C09B23/16
- IPC分类号: C09B23/16 ; C07D209/04
摘要:
Dyes of the general formula I ##STR1## where A.sup..crclbar. is an anion, B is methyl, ethyl, benzyl or .beta.-hydroxyethyl, n is 1 or 2, R is alkyl of 1 to 4 carbon atoms, X is hydrogen, methoxy, ethoxy or chlorine and Z is ##STR2## The dyes of the formula I give very fast dyeings on anionically modified fibers.
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