containing rings

Industry

  • CPC
  • C07C55/34
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Current Industry

Patents Grantslast 30 patents

  • Information Patent Grant

    3770741

    • Patent number 3,770,741
    • Issue date Nov 6, 1973
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3637684

    • Patent number 3,637,684
    • Issue date Jan 25, 1972
    • C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents