TREA

Refining

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  • CPC
  • C25C3/24
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CCHEMISTRY METALLURGY C25Electrolytic processing C25CPROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS APPARATUS THEREFOR C25C3/00Electrolytic production, recovery or refining of metals by electrolysis of melts

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C25C3/24Refining
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Power generation apparatus and power generation method
    • Patent number 12,003,002
    • Issue date Jun 4, 2024
    • KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    • Jun Yaokawa
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Systems and methods for purifying aluminum
    • Patent number 11,001,931
    • Issue date May 11, 2021
    • Alcoa USA Corp.
    • David H. DeYoung
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Systems and methods for purifying aluminum
    • Patent number 10,407,786
    • Issue date Sep 10, 2019
    • Alcoa USA Corp.
    • David H. DeYoung
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Aluminium smelter comprising a compensating electric circuit
    • Patent number 10,344,390
    • Issue date Jul 9, 2019
    • Rio Tinto Alcan International Limited
    • Steeve Renaudier
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic cell
    • Patent number 9,932,681
    • Issue date Apr 3, 2018
    • Saint-Gobain Centre de Recherches et d'Etudes Europeen
    • Eric Jorge
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Apparatus and method of producing metal in a nasicon electrolytic cell
    • Patent number 9,856,569
    • Issue date Jan 2, 2018
    • FIELD UPGRADING LIMITED
    • Sai Bhavaraju
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Pot heat exchanger
    • Patent number 9,758,883
    • Issue date Sep 12, 2017
    • General Electric Technology GmbH
    • Anders Kenneth Sorhuus
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Direct-current shunt preheating start method for an inert electrode...
    • Patent number 9,528,193
    • Issue date Dec 27, 2016
    • Aluminum Corporation of China Limited
    • Jianhong Yang
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Aluminum recovery process
    • Patent number 9,267,214
    • Issue date Feb 23, 2016
    • Board of Trustees of the University of Alabama
    • Ramana G. Reddy
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Methods of recovering and purifying secondary aluminum
    • Patent number 8,002,872
    • Issue date Aug 23, 2011
    • Carbontech, LLC
    • Paul R. Kruesi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Production, refining and recycling of lightweight and reactive meta...
    • Patent number 7,347,920
    • Issue date Mar 25, 2008
    • The Board of Trustees of the University of Alabama
    • Banqiu Wu
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Production, refining and recycling of lightweight and reactive meta...
    • Patent number 6,881,321
    • Issue date Apr 19, 2005
    • The University of Alabama
    • Banqiu Wu
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Electrorefined aluminium with a low content of uranium, thorium and...
    • Patent number 5,573,574
    • Issue date Nov 12, 1996
    • Aluminium Pechiney
    • Michel Leroy
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic removal of magnesium from molten aluminum
    • Patent number 5,294,306
    • Issue date Mar 15, 1994
    • General Motors Corporation
    • Norman E. Howard
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Carbon electrode with gastight, temperature stable protective globe
    • Patent number 5,098,530
    • Issue date Mar 24, 1992
    • Verenigte Aluminium-Werke AG
    • Rainer Sudholter
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic production of aluminum
    • Patent number 4,650,552
    • Issue date Mar 17, 1987
    • ELTECH Systems Corporation
    • Vittorio de Nora
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Cell for electrolytic purification of aluminum
    • Patent number 4,601,804
    • Issue date Jul 22, 1986
    • Swiss Aluminium Ltd.
    • Sylvestre Vire
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Cell for the refining of aluminium
    • Patent number 4,552,637
    • Issue date Nov 12, 1985
    • Swiss Aluminium Ltd.
    • Sylvestre Vire
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Method for refinement of impure aluminum
    • Patent number 4,430,174
    • Issue date Feb 7, 1984
    • Mitsui Aluminium Co., Ltd.
    • Yoshishige Tsumura
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic refining of molten metal
    • Patent number 4,405,415
    • Issue date Sep 20, 1983
    • Alcan International Limited
    • Ernest W. Dewing
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Production of extreme purity aluminum
    • Patent number 4,273,627
    • Issue date Jun 16, 1981
    • Aluminum Company of America
    • Robert K. Dawless
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Production of extreme purity aluminum
    • Patent number 4,239,606
    • Issue date Dec 16, 1980
    • Aluminum Company of America
    • Robert K. Dawless
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Production of extreme purity aluminum
    • Patent number 4,222,830
    • Issue date Sep 16, 1980
    • Aluminum Company of America
    • Robert K. Dawless
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic purification of metals
    • Patent number 4,214,955
    • Issue date Jul 29, 1980
    • Aluminum Company of America
    • Kenneth A. Bowman
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic purification of metals
    • Patent number 4,214,956
    • Issue date Jul 29, 1980
    • Aluminum Company of America
    • Kenneth A. Bowman
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Aluminum purification
    • Patent number 4,115,215
    • Issue date Sep 19, 1978
    • Aluminum Company of America
    • Subodh K. Das
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    3798140
    • Patent number 3,798,140
    • Issue date Mar 19, 1974
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    3502553
    • Patent number 3,502,553
    • Issue date Mar 24, 1970
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    3386908
    • Patent number 3,386,908
    • Issue date Jun 4, 1968
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    2991235
    • Patent number 2,991,235
    • Issue date Jul 4, 1961
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents