TREA

Treatment of iron or alloys based thereon

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Industry

  • CPC
  • C23C22/72
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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

C23C22/72Treatment of iron or alloys based thereon
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Hollow airfoil construction utilizing functionally graded materials
    • Patent number 11,000,899
    • Issue date May 11, 2021
    • Raytheon Technologies Corporation
    • Tahany Ibrahim El-Wardany
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Conversion coating and method of making
    • Patent number 10,676,828
    • Issue date Jun 9, 2020
    • Saint-Gobain Performance Plastics Corporation
    • Nazila Dadvand
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for the in situ passivation of the steel surfaces of a nucle...
    • Patent number 10,037,822
    • Issue date Jul 31, 2018
    • JOINT STOCK COMPANY “AKME-ENGINEERING”
    • Petr Nikiforovich Martynov
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for producing a friction element
    • Patent number 9,410,583
    • Issue date Aug 9, 2016
    • Miba Frictec GmbH
    • Zisis Tsioptsias
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of bonding conductive material to stainless steel, and HDD m...
    • Patent number 8,920,887
    • Issue date Dec 30, 2014
    • Suncall Corporation
    • Kenji Mashimo
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing a friction element
    • Patent number 8,734,603
    • Issue date May 27, 2014
    • Miba Frictec GmbH
    • Zisis Tsioptsias
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process and apparatus for the preparation of polycarbonate
    • Patent number 8,394,912
    • Issue date Mar 12, 2013
    • Bayer MaterialScience AG
    • Frank Doebert
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method of improving the wear and corrosion resistance of ferrous me...
    • Patent number 5,576,066
    • Issue date Nov 19, 1996
    • Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement
    • Jean Polti
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Salt bath composition based on alkali nitrates for oxidizing ferrou...
    • Patent number 5,514,226
    • Issue date May 7, 1996
    • Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement
    • Jean-Paul Terrat
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Chromic oxide coatings by thermal decomposition of chromic acid anh...
    • Patent number 5,380,554
    • Issue date Jan 10, 1995
    • The United States of America as represented by the Secretary of the Navy
    • William A. Ferrando
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for improving the corrosion resistance of ferrous metal parts
    • Patent number 4,608,092
    • Issue date Aug 26, 1986
    • Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement
    • Yves Tremoureux
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for improving the corrosion resistance of ferrous metal parts
    • Patent number 4,448,611
    • Issue date May 15, 1984
    • Centre Stephanois de Recherches Mecaniques Hydromecanique et Frottement
    • Bernard Grellet
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Process for increasing the corrosion resistance of nitrided structu...
    • Patent number 4,292,094
    • Issue date Sep 29, 1981
    • Degussa Aktiengesellschaft
    • Helmut Kunst
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for sulfurizing cast iron
    • Patent number 4,230,507
    • Issue date Oct 28, 1980
    • Kabushiki Kaisha Toyota Chuo Kenkyusho
    • Mikio Obayashi
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Method for blackening the surfaces of a body of ferrous metal
    • Patent number 4,149,908
    • Issue date Apr 17, 1979
    • RCA Corporation
    • Earle S. Thall
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Stainless steels coated with black oxides
    • Patent number 3,963,530
    • Issue date Jun 15, 1976
    • Coral Chemical Company
    • Thomas J. Smollett
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3915759
    • Patent number 3,915,759
    • Issue date Oct 28, 1975
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    3885064
    • Patent number 3,885,064
    • Issue date May 20, 1975
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3847685
    • Patent number 3,847,685
    • Issue date Nov 12, 1974
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    3765205
    • Patent number 3,765,205
    • Issue date Oct 16, 1973
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3507757
    • Patent number 3,507,757
    • Issue date Apr 21, 1970
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    3437532
    • Patent number 3,437,532
    • Issue date Apr 8, 1969
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2618578
    • Patent number 2,618,578
    • Issue date Nov 18, 1952
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2537035
    • Patent number 2,537,035
    • Issue date Jan 9, 1951
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2513302
    • Patent number 2,513,302
    • Issue date Jul 4, 1950
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2479979
    • Patent number 2,479,979
    • Issue date Aug 23, 1949
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2431986
    • Patent number 2,431,986
    • Issue date Dec 2, 1947
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2394899
    • Patent number 2,394,899
    • Issue date Feb 12, 1946
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2347564
    • Patent number 2,347,564
    • Issue date Apr 25, 1944
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    2163768
    • Patent number 2,163,768
    • Issue date Jun 27, 1939
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents