TREA

containing hexavalent chromium compounds

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  • CPC
  • C23C22/04
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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

C23C22/04containing hexavalent chromium compounds
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Patents Grantslast 30 patents

  • Information Patent Grant

    Reduction of chromium waste in an aluminum conversion coat processi...
    • Patent number 10,472,720
    • Issue date Nov 12, 2019
    • The Boeing Company
    • Lawrence M. Lawless
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Surface-treated steel sheet with resin-based chemical treatment coa...
    • Patent number 5,897,948
    • Issue date Apr 27, 1999
    • Nippon Steel Corporation
    • Tadashi Sakon
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Surface preparation for bonding titanium
    • Patent number 5,476,552
    • Issue date Dec 19, 1995
    • The United States of America as represented by the Secretary of the Navy
    • Wayne C. Tucker
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Non-aqueous degreasing and chromating solution for metal treatment
    • Patent number 4,678,518
    • Issue date Jul 7, 1987
    • Nippon Dacro Shamrock Co., Ltd.
    • Nobuhiro Ayukawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for treating metal surface
    • Patent number 4,675,054
    • Issue date Jun 23, 1987
    • Nippon Dacro Shamrock Co., Ltd.
    • Nobuhiro Ayukawa
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Non-aqueous composition for chemical treatment of a metallic substrate
    • Patent number 4,257,828
    • Issue date Mar 24, 1981
    • Nippon Paint Co., Ltd.
    • Hideo Wada
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3719534
    • Patent number 3,719,534
    • Issue date Mar 6, 1973
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3556824
    • Patent number 3,556,824
    • Issue date Jan 19, 1971
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3535166
    • Patent number 3,535,166
    • Issue date Oct 20, 1970
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3535167
    • Patent number 3,535,167
    • Issue date Oct 20, 1970
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3519501
    • Patent number 3,519,501
    • Issue date Jul 7, 1970
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3437531
    • Patent number 3,437,531
    • Issue date Apr 8, 1969
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3368928
    • Patent number 3,368,928
    • Issue date Feb 13, 1968
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3366514
    • Patent number 3,366,514
    • Issue date Jan 30, 1968
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3285788
    • Patent number 3,285,788
    • Issue date Nov 15, 1966
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3241983
    • Patent number 3,241,983
    • Issue date Mar 22, 1966
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2927046
    • Patent number 2,927,046
    • Issue date Mar 1, 1960
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2798009
    • Patent number 2,798,009
    • Issue date Jul 2, 1957
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2798016
    • Patent number 2,798,016
    • Issue date Jul 2, 1957
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2762732
    • Patent number 2,762,732
    • Issue date Sep 11, 1956
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents