TREA

Karl Petzoldt

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  • Berlin, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    D-Homo-20-ketopregnanes
    • Patent number 4,045,574
    • Issue date Aug 30, 1977
    • Schering Aktiengesellschaft
    • Ulrich Kerb
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the preparation of estrene-3,17-dione derivatives
    • Patent number 4,036,695
    • Issue date Jul 19, 1977
    • Schering Aktiengesellschaft
    • Karl Petzoldt
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1.alpha.-Hydroxy steroids
    • Patent number 4,029,779
    • Issue date Jun 14, 1977
    • Schering Aktiengesellschaft
    • Karl Petzoldt
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    D-homosteroids
    • Patent number 4,026,918
    • Issue date May 31, 1977
    • Andor Furst
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    D-homosteroids
    • Patent number 4,026,921
    • Issue date May 31, 1977
    • Andor Furst
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    7-Hydroxyestradiols
    • Patent number 4,011,314
    • Issue date Mar 8, 1977
    • Schering Aktiengesellschaft
    • Karl Petzoldt
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Radioactively labeled steroid derivatives
    • Patent number 3,935,245
    • Issue date Jan 27, 1976
    • Schering Aktiengesellschaft
    • Otto Engelfried
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE