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Invention Grant
US2430845A Cyanine dyes containing a sulfamate anion 失效
含有氨基磺酸根阴离子的花青染料

  • Patent Title: Cyanine dyes containing a sulfamate anion
  • Patent Title (中): 含有氨基磺酸根阴离子的花青染料
  • Application No.: US46841842
    Application Date: 1942-12-09
  • Publication No.: US2430845A
    Publication Date: 1947-11-11
  • Inventor: MIDDLETON EDMUND B
  • Applicant: DU PONT
  • Assignee: Du Pont
  • Current Assignee: Du Pont
  • Priority: US46841842 1942-12-09
  • Main IPC: C09B23/06
  • IPC: C09B23/06
Cyanine dyes containing a sulfamate anion
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