TREA

Gunter Poppel

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  • Duren-Niederau, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel briquettes
    • Patent number 4,863,485
    • Issue date Sep 5, 1989
    • Akzo nv
    • Hans G. Scafer
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Fuel briquets
    • Patent number 4,586,936
    • Issue date May 6, 1986
    • Akzo nv
    • Hans-Georg Schaffer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fuel briquets
    • Patent number 4,369,042
    • Issue date Jan 18, 1983
    • Akzo nv
    • Hans G. Schafer
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...