TREA

Karlheinz Hillermeider

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  • Wuppertal, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water-containing water glass fibers
    • Patent number 4,471,019
    • Issue date Sep 11, 1984
    • Akzo nv
    • Arno Wegerhoff
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Method for making silica fibers
    • Patent number 4,332,600
    • Issue date Jun 1, 1982
    • Akzo nv
    • Arno Wegerhoff
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Method for making silica fibers
    • Patent number 4,332,601
    • Issue date Jun 1, 1982
    • Akzo nv
    • Arno Wegerhoff
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING