TREA

Siegfried Weis

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  • Eppstein, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Biodegradable polymers based on natural and renewable raw materials...
    • Patent number 6,342,300
    • Issue date Jan 29, 2002
    • Celanese Ventures GmbH
    • Holger Bengs
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Foamable molding compositions
    • Patent number 5,786,397
    • Issue date Jul 28, 1998
    • Hoechst Aktinegesellschaft
    • Helmut Scheckenbach
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyamide foams and process for their production
    • Patent number 5,760,147
    • Issue date Jun 2, 1998
    • Hoechst Aktiengesellschaft
    • Axel Schonfeld
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Foamable molding compositions
    • Patent number 5,708,041
    • Issue date Jan 13, 1998
    • Hoechst Aktiengesellschaft
    • Helmut Scheckenbach
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...