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  • CPC
  • C23C22/27
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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

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C23C22/27Acids
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Corrosion-resistant trivalent-chromium chemical conversion coating...
    • Patent number 11,643,732
    • Issue date May 9, 2023
    • Dipsol Chemicals Co., Ltd.
    • Manabu Inoue
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Chromate-plating bath and process for finishing zinc zinc alloy or...
    • Patent number 5,876,517
    • Issue date Mar 2, 1999
    • Atotech Deutschland GmbH
    • Eliane Jeannier
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Black chromate-treatment solution for Zn-Ni alloy plated film
    • Patent number 5,735,972
    • Issue date Apr 7, 1998
    • Dipsol Chemicals Co., Ltd.
    • Seiji Kishikawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Black chromate solution
    • Patent number 5,565,042
    • Issue date Oct 15, 1996
    • Dipsol Chemicals Co., Ltd.
    • Hitoshi Sakurai
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for sealing chromate conversion coatings on electrodeposite...
    • Patent number 5,178,690
    • Issue date Jan 12, 1993
    • Enthone-OMI Inc.
    • Jose A. O. Maiquez
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for producing chromate conversion coatings
    • Patent number 5,080,733
    • Issue date Jan 14, 1992
    • MacDermid, Incorporated
    • Ley Deresh
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for preparing corrosion-resistant zinc-cobalt surfaces
    • Patent number 5,022,938
    • Issue date Jun 11, 1991
    • OMI International Corporation
    • Walter J. Wieczerniak
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Chromatizing process and composition
    • Patent number 3,963,527
    • Issue date Jun 15, 1976
    • Lindemann & Co. GmbH
    • Karl H. Lindemann
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3855010
    • Patent number 3,855,010
    • Issue date Dec 17, 1974
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3630789
    • Patent number 3,630,789
    • Issue date Dec 28, 1971
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3563811
    • Patent number 3,563,811
    • Issue date Feb 16, 1971
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3382081
    • Patent number 3,382,081
    • Issue date May 7, 1968
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3121032
    • Patent number 3,121,032
    • Issue date Feb 11, 1964
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2824031
    • Patent number 2,824,031
    • Issue date Feb 18, 1958
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2760890
    • Patent number 2,760,890
    • Issue date Aug 28, 1956
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2631951
    • Patent number 2,631,951
    • Issue date Mar 17, 1953
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2628925
    • Patent number 2,628,925
    • Issue date Feb 17, 1953
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2559812
    • Patent number 2,559,812
    • Issue date Jul 10, 1951
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2483510
    • Patent number 2,483,510
    • Issue date Oct 4, 1949
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2480448
    • Patent number 2,480,448
    • Issue date Aug 30, 1949
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2477310
    • Patent number 2,477,310
    • Issue date Jul 26, 1949
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2393664
    • Patent number 2,393,664
    • Issue date Jan 29, 1946
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2224245
    • Patent number 2,224,245
    • Issue date Dec 10, 1940
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2127202
    • Patent number 2,127,202
    • Issue date Aug 16, 1938
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents