TREA

Helmut Hartner

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  • Dirmstein, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composition of a timber formulation comprising Cu salts and organic...
    • Patent number 9,808,954
    • Issue date Nov 7, 2017
    • Rutgers Organics GmbH
    • Volker Beez
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Wood preservatives
    • Patent number 6,506,795
    • Issue date Jan 14, 2003
    • WEYL GmbH
    • Volker Barth
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Chromium-free wood preservatives
    • Patent number 5,304,237
    • Issue date Apr 19, 1994
    • Rutgerswerke Aktiengesellschaft AG
    • Volker Barth
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Preservatives for cellulose containing products
    • Patent number 4,970,201
    • Issue date Nov 13, 1990
    • Rutgerswerke AG
    • Eberhard Giebeler
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents