TREA

Friedhelm Hoevels

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  • Freigericht, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bisguanamine
    • Patent number 4,389,333
    • Issue date Jun 21, 1983
    • Degussa Aktiengesellschaft
    • Peter Werle
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Bisguanamines
    • Patent number 4,339,578
    • Issue date Jul 13, 1982
    • Degussa Aktiengesellschaft
    • Peter Werle
    • C07 - ORGANIC CHEMISTRY