发明授权
US4802889A 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose
acetate
失效
用于聚酯和醋酸纤维素的2-氰基-4,6-二硝基苯偶氮染料
- 专利标题: 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate
- 专利标题(中): 用于聚酯和醋酸纤维素的2-氰基-4,6-二硝基苯偶氮染料
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申请号: US88831申请日: 1987-08-24
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公开(公告)号: US4802889A公开(公告)日: 1989-02-07
- 发明人: Ulrich Bte,uml/u/ hler , Horst Tappe , Reinhard Kuhn , Albert Bode , Margareta Boss
- 申请人: Ulrich Bte,uml/u/ hler , Horst Tappe , Reinhard Kuhn , Albert Bode , Margareta Boss
- 申请人地址: DEX Frankfurt am Main
- 专利权人: Cassella Aktiengesellschaft
- 当前专利权人: Cassella Aktiengesellschaft
- 当前专利权人地址: DEX Frankfurt am Main
- 优先权: DEX3533980 19850924
- 主分类号: C09B29/085
- IPC分类号: C09B29/085 ; C09B29/01 ; C09B29/08 ; C09B43/28 ; C09B67/22 ; D06P1/18 ; C09B43/42 ; D06P3/36
摘要:
Monoazo dyestuff of the formula ##STR1## wherein R.sup.1 is 4 alkyl having 1 to 3 carbon atoms, andR.sup.2 is methyl, ethyl or alkoxy having 1 to 4 carbon atoms hich is unsubstituted or substituted by methoxy or ethoxy is useful for dyeing and printing hydrophobic fibers a blue color.
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