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Josef Witte

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  • Cologne, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymerization of cyclic olefins
    • Patent number 4,046,710
    • Issue date Sep 6, 1977
    • Bayer Aktiengesellschaft
    • Gunther Lehnert
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Graft polymers of vinyl phosphonic acid esters
    • Patent number 4,028,434
    • Issue date Jun 7, 1977
    • Bayer Aktiengesellschaft
    • Wolfgang Konter
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalysts
    • Patent number 4,020,257
    • Issue date Apr 26, 1977
    • Bayer Aktiengesellschaft
    • Josef Witte
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the preparation of distributions
    • Patent number 3,976,609
    • Issue date Aug 24, 1976
    • Bayer Aktiengesellschaft
    • Hildegard Schnoring
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalysts
    • Patent number 3,966,637
    • Issue date Jun 29, 1976
    • Bayer Aktiengesellschaft
    • Josef Witte
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Non-discoloring stabilizers
    • Patent number 3,960,758
    • Issue date Jun 1, 1976
    • Bayer Aktiengesellschaft
    • Josef Witte
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polycarbonate powder
    • Patent number 3,954,713
    • Issue date May 4, 1976
    • Bayer Aktiengesellschaft
    • Hilla Schnoring
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the polymerisation of cyclooctadiene
    • Patent number 3,933,778
    • Issue date Jan 20, 1976
    • Bayer Aktiengesellschaft
    • Gottfried Pampus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...