TREA

Hans-Georg Gelhaar

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  • Dormagen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Stabilized polyamides
    • Patent number 5,059,643
    • Issue date Oct 22, 1991
    • Bayer Aktiengesellschaft
    • Hans-Josef Buysch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Apparatus for coating fibers, threads and sheets
    • Patent number 4,141,315
    • Issue date Feb 27, 1979
    • Bayer Aktiengesellschaft
    • Heinrich Nassenstein
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Deep-dyeing polycaprolactam fibres and filaments
    • Patent number 4,104,324
    • Issue date Aug 1, 1978
    • Bayer Aktiengesellschaft
    • Eduard Radlmann
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING