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Invention Grant
US3023218A Water-soluble dyestuffs of the azaporphin series 失效
azaporphin系列的水溶性染料

  • Patent Title: Water-soluble dyestuffs of the azaporphin series
  • Patent Title (中): azaporphin系列的水溶性染料
  • Application No.: US79786159
    Application Date: 1959-03-09
  • Publication No.: US3023218A
    Publication Date: 1962-02-27
  • Inventor: ARNOLD TARTTER
  • Applicant: BASF AG
  • Assignee: Basf Ag
  • Current Assignee: Basf Ag
  • Priority: US79786159 1959-03-09
  • Main IPC: C09B62/84
  • IPC: C09B62/84
Water-soluble dyestuffs of the azaporphin series
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