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Willi Eifler

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  • New Martinsville, WV, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making a polyamine
    • Patent number 4,189,443
    • Issue date Feb 19, 1980
    • Bayer Aktiengesellschaft
    • Willi Eifler
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the production of polyamines
    • Patent number 4,025,557
    • Issue date May 24, 1977
    • Bayer Aktiengesellschaft
    • Willi Eifler
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Urea diisocyanate compositions
    • Patent number 3,943,158
    • Issue date Mar 9, 1976
    • Bayer Aktiengesellschaft
    • Werner Dietrich
    • C07 - ORGANIC CHEMISTRY