发明授权
US4042591A Naphthoquinone compounds 失效
萘醌化合物

  • 专利标题: Naphthoquinone compounds
  • 专利标题(中): 萘醌化合物
  • 申请号: US472853
    申请日: 1974-05-23
  • 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
Naphthoquinone compounds
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.
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