TREA

Rolf Vogelsanger

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  • Zumikon, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spiro compounds
    • Patent number 4,042,635
    • Issue date Aug 16, 1977
    • Ciba-Geigy Corporation
    • Paul Rys
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Spiro compounds
    • Patent number 3,950,403
    • Issue date Apr 13, 1976
    • Ciba-Geigy Corporation
    • Paul Rys
    • C07 - ORGANIC CHEMISTRY