TREA

Reinhard Opitz

Follow

Person

  • Duren, DE
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Anticorrosive agents and use thereof
    • Patent number 4,956,016
    • Issue date Sep 11, 1990
    • Gerhard Collardin GmbH
    • Reinhard Opitz
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for phosphating metal surfaces
    • Patent number 4,944,813
    • Issue date Jul 31, 1990
    • Gerhard Collardin GmbH
    • Kurt Hosemann
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for activating metal surfaces prior to zinc phosphation
    • Patent number 4,707,193
    • Issue date Nov 17, 1987
    • Gerhard Collardin Gesellschaft mit beschraenkter Haftung
    • Heinz Portz
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for the zinc/calcium phosphatizing of metal surfaces at low...
    • Patent number 4,622,078
    • Issue date Nov 11, 1986
    • Gerhard Collardin GmbH
    • Reinhard Opitz
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    After-passivation of phosphated metal surfaces
    • Patent number 4,600,447
    • Issue date Jul 15, 1986
    • Henkel Kommanditgesellschaft auf Aktien
    • Reinhard Opitz
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Phosphating solutions and process
    • Patent number 4,490,185
    • Issue date Dec 25, 1984
    • Henkel Kommanditgesellschaft auf Aktien
    • Karl-Heinz Gottwald
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...