TREA

Dieter Jentsch

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  • Langen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preparation of metal surfaces for vitreous enameling
    • Patent number 5,688,340
    • Issue date Nov 18, 1997
    • Metallgesellschaft Aktiengesellschaft
    • Margit Fleischhacker-Jeworrek
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Removal of zinc from phosphating process sludges
    • Patent number 5,198,020
    • Issue date Mar 30, 1993
    • Metallgesellschaft Aktiengesellschaft
    • Wolfgang Fennemann
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Activator for use in phosphating processes
    • Patent number 5,160,551
    • Issue date Nov 3, 1992
    • Metallgesellschaft Aktiengesellschaft
    • Rudiger Rein
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...