TREA

Erhard Langenscheid

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  • Constance, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Substituted N-acyl-N"-(3-amino-2-cyanoacryloyl-)formamidrazones
    • Patent number 4,051,242
    • Issue date Sep 27, 1977
    • Byk Gulden Lomberg Chemische Fabrik GmbH
    • Kurt Klemm
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    4(1H)-pyrimidinones
    • Patent number 4,034,093
    • Issue date Jul 5, 1977
    • Byk Gulden Lomberg Chemische Fabrik GmbH
    • Kurt Klemm
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Formylazapentadienenitriles
    • Patent number 3,944,667
    • Issue date Mar 16, 1976
    • Byk Gulden Lomberg Chemische Fabrik GmbH
    • Kurt Klemm
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE