Invention Grant
US3084151A Water-insoluble metalliferous azo-dyestuffs and process for preparing them 失效
水不溶性金属偶氮染料及其制备方法

  • Patent Title: Water-insoluble metalliferous azo-dyestuffs and process for preparing them
  • Patent Title (中): 水不溶性金属偶氮染料及其制备方法
  • Application No.: US5436060
    Application Date: 1960-09-07
  • Publication No.: US3084151A
    Publication Date: 1963-04-02
  • Inventor: RICHARD GROSSHASSO HERTELWALTER STAAB
  • Applicant: HOECHST AG
  • Assignee: Hoechst AG
  • Current Assignee: Hoechst AG
  • Priority: DE3084151X 1959-09-09
  • Main IPC: C09B45/00
  • IPC: C09B45/00
Water-insoluble metalliferous azo-dyestuffs and process for preparing them
Information query
Patent Agency Ranking
0/0