TREA

containing also hexavalent chromium compounds

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Industry

  • CPC
  • C23C22/43
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Parent Industries

CCHEMISTRY METALLURGY C23Surface treatment C23CCOATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating

Current Industry

C23C22/43containing also hexavalent chromium compounds
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metallic sliding material
    • Patent number 5,879,816
    • Issue date Mar 9, 1999
    • Nihon Parkerizing Co., Ltd.
    • Kazuhiko Mori
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Protective coating for metals
    • Patent number 4,676,842
    • Issue date Jun 30, 1987
    • Robert Haydu
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for producing improved, protective conversion coatings on a...
    • Patent number 4,036,667
    • Issue date Jul 19, 1977
    • Eli Simon
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3400021
    • Patent number 3,400,021
    • Issue date Sep 3, 1968
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3210220
    • Patent number 3,210,220
    • Issue date Oct 5, 1965
    • F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents