发明授权
US06365719B1 Bridged disazo compounds 失效
桥接双偶氮化合物

  • 专利标题: Bridged disazo compounds
  • 专利标题(中): 桥接双偶氮化合物
  • 申请号: US09509575
    申请日: 2000-03-27
  • 公开(公告)号: US06365719B1
    公开(公告)日: 2002-04-02
  • 发明人: Friedrich Lehr
  • 申请人: Friedrich Lehr
  • 优先权: GB9720507 19970922; GB9720508 19970922; GB9725758 19971205
  • 主分类号: C09B3310
  • IPC分类号: C09B3310
Bridged disazo compounds
摘要:
Compounds of formula (I) with the meanings of D, R1, R2, X and Y as given in claim 1 can be used as paper dyes or direct dyes or for the preparation of ink-jet inks.
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