TREA

Siegfried Wittmann

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  • Floersheim-Dalsheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ceramic fabrics and methods for making them
    • Patent number 7,772,140
    • Issue date Aug 10, 2010
    • E.I. du Pont de Nemours and Company Dystar
    • Yves Bader
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...