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Johan Frei

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Patents Grantslast 30 patents

  • Information Patent Grant

    Polyurethane foam
    • Patent number 9,000,118
    • Issue date Apr 7, 2015
    • Fritz Nauer AG
    • Henri Mispreuve
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    POLYURETHANE FOAM
    • Publication number 20100069518
    • Publication date Mar 18, 2010
    • Henri Mispreuve
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...