TREA

Sandra Wittpahl

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  • Hanau, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flux for brazing difficult to wet metallic materials
    • Patent number 6,613,159
    • Issue date Sep 2, 2003
    • Degussa-Huls Aktingesellschaft
    • Jürgen Koch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Flux-free brazing paste
    • Patent number 6,342,106
    • Issue date Jan 29, 2002
    • Degussa AG
    • Jürgen Koch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR