发明授权
- 专利标题： Naphtholactam dyestuffs
- 专利标题（中）： 萘酚内酯染料
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申请号： US62849申请日： 1979-08-01
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公开(公告)号： US4246422A公开(公告)日： 1981-01-20
- 发明人: Hansrudolf Schwander , Christian Zickendraht
- 申请人： Hansrudolf Schwander , Christian Zickendraht
- 申请人地址： CHX Basel
- 专利权人： Ciba-Geigy AG
- 当前专利权人： Ciba-Geigy AG
- 当前专利权人地址： CHX Basel
- 优先权： CHX6862/76 19770601
- 主分类号： C09B57/06
- IPC分类号： C09B57/06 ; D06P1/90 ; C07D413/06 ; C07D413/14 ; C09B57/00
摘要：
A dyestuff of the formula ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, R.sub.1 represents alkyl, alkenyl, cycloalkyl, aralkyl, a heterocyclic structure or, preferably, aryl, X represents --COOH, --COO.sup..crclbar. cation.sup..sym., a modified carboxyl group, the radical --SO.sub.2 --T or a heterocyclic radical, T being alkyl, alkenyl or aryl, and M represents hydrogen or a cation and A and B can carry non-ionic substituents and/or a --COOH group.The new dyestuffs dye polyester fibers in fast yellow and orange shades.
公开/授权文献
- USD412096S Screwdriver handle 公开/授权日：1999-07-20
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