发明授权
US3046077A Process for the preparation of printing dyes from vat dyes and sulfur dyes, not suitable by themselves for printing purposes 失效
从瓮染料和硫化染料制备印刷染料的方法,不适用于印刷用途

  • 专利标题: Process for the preparation of printing dyes from vat dyes and sulfur dyes, not suitable by themselves for printing purposes
  • 专利标题(中): 从瓮染料和硫化染料制备印刷染料的方法,不适用于印刷用途
  • 申请号: US77458558
    申请日: 1958-11-18
  • 公开(公告)号: US3046077A
    公开(公告)日: 1962-07-24
  • 发明人: DENES JANKO
  • 申请人: CHEMOLIMPEX
  • 专利权人: Chemolimpex
  • 当前专利权人: Chemolimpex
  • 优先权: HU3046077X 1957-11-21
  • 主分类号: C08J3/14
  • IPC分类号: C08J3/14 C09B67/28 D06P1/22 D06P1/30 D06P1/56
Process for the preparation of printing dyes from vat dyes and sulfur dyes, not suitable by themselves for printing purposes
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