发明授权
- 专利标题: Disazo dyestuff sulphuric acid ester
- 专利标题(中): 双偶氮染料硫酸酯
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申请号: US941978申请日: 1978-09-13
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公开(公告)号: US4247460A公开(公告)日: 1981-01-27
- 发明人: Herbert Hugl , Gerhard Wolfrum
- 申请人: Herbert Hugl , Gerhard Wolfrum
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX2741926 19770917
- 主分类号: C09B62/523
- IPC分类号: C09B62/523 ; C09B31/065 ; C09B43/20 ; C09B43/24 ; C09B43/28 ; C09B62/533 ; C09B31/06 ; C09B33/02 ; D06P3/06 ; D06P3/24
摘要:
A dyestuff particularly for synthetic fibers of the formula ##STR1## wherein R.sub.1 ' denotes hydrogen, methyl, ethyl or cyclohexyl,R.sub.2 ' denotes chlorine, methoxy, methyl, ethoxy, ethyl, trifluoromethyl or acetylamino,R.sub.3 ' denotes hydrogen, methyl, methoxy, ethyl and ethoxy,R.sub.4 ' denotes hydrogen, methyl, methoxy, ethyl and ethoxy,R.sub.5 ' denotes hydrogen, methyl, methoxy, chlorine or phenyl,R.sub.6 ' denotes hydrogen or methyl,R.sub.7 ' denotes hydrogen, methyl, ethyl, 2-hydroxyethyl, 2-hydroxypropyl and 2-hydroxybutyl,m' denotes 0 or 1 andX denotes optionally branched C.sub.2 to C.sub.4 alkylene.
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