发明授权
- 专利标题: Naphthoquinone compounds
- 专利标题(中): 萘醌化合物
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申请号: US472853申请日: 1974-05-23
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公开(公告)号: US4042591A公开(公告)日: 1977-08-16
- 发明人: Bansi Lal Kaul
- 申请人: Bansi Lal Kaul
- 申请人地址: CH Basel
- 专利权人: Sandoz Ltd.
- 当前专利权人: Sandoz Ltd.
- 当前专利权人地址: CH Basel
- 优先权: CH7813/73 19730530; CH8715/73 19730615
- 主分类号: C09B13/00
- IPC分类号: C09B13/00 ; C09B57/00 ; C07D471/04
摘要:
Disclosed are compounds of formula I ##STR1## WHERE R.sub.1 is a fused benzene or naphthalene nucleus, m is one or two and R.sub.2 and R.sub.3 have various significances, their production and use as pigments and disperse dyes.
公开/授权文献
- US5011197A Method for tying twines into closed loops 公开/授权日:1991-04-30
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