Invention Grant
US2492743A Manufacture of anthraquinone derivatives 失效
蒽醌衍生物的制造

  • Patent Title: Manufacture of anthraquinone derivatives
  • Patent Title (中): 蒽醌衍生物的制造
  • Application No.: US77873547
    Application Date: 1947-10-08
  • Publication No.: US2492743A
    Publication Date: 1949-12-27
  • Inventor: PAUL GROSSMANN
  • Applicant: CIBA LTD
  • Assignee: Ciba Ltd
  • Current Assignee: Ciba Ltd
  • Priority: CH2492743X 1946-10-15
  • Main IPC: C09B1/54
  • IPC: C09B1/54
Manufacture of anthraquinone derivatives
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