发明授权
US4873319A Disazo dyes containing a pyrimidine coupling component and a cationic
alkyl ammonium group
失效
含有嘧啶偶联组分和阳离子烷基铵基团的双偶氮染料
- 专利标题： Disazo dyes containing a pyrimidine coupling component and a cationic alkyl ammonium group
- 专利标题（中）： 含有嘧啶偶联组分和阳离子烷基铵基团的双偶氮染料
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申请号： US100853申请日： 1987-09-25
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公开(公告)号： US4873319A公开(公告)日： 1989-10-10
- 发明人: Willy Stingelin
- 申请人： Willy Stingelin
- 申请人地址： NY Ardsley
- 专利权人： Ciba-Geigy Corporation
- 当前专利权人： Ciba-Geigy Corporation
- 当前专利权人地址： NY Ardsley
- 优先权： CHX3960/86 19861003
- 主分类号： C09B44/08
- IPC分类号： C09B44/08
摘要：
Disazo dyes which are suitable for dyeing and printing, especially of paper of all kinds. The dyes correspond to the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each an alkyl radical, A is an alkylene radical, n is 1 or 2, V, X, Y and Z are nonionic substituents customarily in azo dyes, K is a pyrimidine coupling and An is an anion.
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