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Hans D. Winkelmann

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  • Cologne, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Isocyanate adduct diols
    • Patent number 4,211,699
    • Issue date Jul 8, 1980
    • Bayer Aktiengesellschaft
    • Hans D. Winkelmann
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Self-crosslinkable polyurethanes
    • Patent number 4,153,775
    • Issue date May 8, 1979
    • Bayer Aktiengesellschaft
    • Hans D. Winkelmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...