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Invention Grant
US2853492A Process for the manufacture of anthraquinone vat dyestuffs 失效
制造蒽醌饮料染料的方法

  • Patent Title: Process for the manufacture of anthraquinone vat dyestuffs
  • Patent Title (中): 制造蒽醌饮料染料的方法
  • Application No.: US65852457
    Application Date: 1957-05-13
  • Publication No.: US2853492A
    Publication Date: 1958-09-23
  • Inventor: MAURICE GRELAT , WALTER FIORONI , WALTER KERN
  • Applicant: CIBA LTD
  • Assignee: Ciba Ltd
  • Current Assignee: Ciba Ltd
  • Priority: CH2853492X 1953-02-19
  • Main IPC: C09B5/28
  • IPC: C09B5/28
Process for the manufacture of anthraquinone vat dyestuffs
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