TREA

Sven Barfoed

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  • Copenhagen, DK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of preparing polyfuran foams
    • Patent number 4,132,683
    • Issue date Jan 2, 1979
    • Koninklijke Emballage Industrie Van Leer B.V.
    • Hans-Ole Larsen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyfuran foams and a method of preparing same
    • Patent number 3,975,318
    • Issue date Aug 17, 1976
    • Wolff & Kaaber
    • Hans-Ole Larsen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyfuran foams and a method of preparing same
    • Patent number 3,975,319
    • Issue date Aug 17, 1976
    • Wolff & Kaaber
    • Hans-Ole Larsen
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...