TREA

by reduction of sulfates

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  • CPC
  • C01F11/08
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CCHEMISTRY METALLURGY C01Inorganic chemistry C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS C01F11/00Compounds of calcium, strontium, or barium

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C01F11/08by reduction of sulfates
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphogypsum decomposition process
    • Patent number 11,383,987
    • Issue date Jul 12, 2022
    • OCP SA
    • Driss Dhiba
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Alkaline earth metal carbonate micropowder
    • Patent number 9,102,810
    • Issue date Aug 11, 2015
    • UBE MATERIAL INDUSTRIES, LTD.
    • Fumio Okada
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Process for producing calcium sulfide
    • Patent number 6,337,058
    • Issue date Jan 8, 2002
    • E&C Williams Inc.
    • Charles A. Williams
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Cyclic process for oxidation of calcium sulfide
    • Patent number 6,083,862
    • Issue date Jul 4, 2000
    • Iowa State University Research Foundation, Inc.
    • Thomas D. Wheelock
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Cyclic process for oxidation of calcium sulfide
    • Patent number 5,653,955
    • Issue date Aug 5, 1997
    • Iowa State University Research Foundation Inc.
    • Thomas D. Wheelock
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Cyclic process for oxidation of calcium sulfide
    • Patent number 5,433,939
    • Issue date Jul 18, 1995
    • Thomas D. Wheelock
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Addition of pyritic materials to feed mix for desulfurization of ph...
    • Patent number 4,946,658
    • Issue date Aug 7, 1990
    • Florida Institute of Phosphate Research
    • Jerome H. Marten
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Phospho-gypsum recovery process
    • Patent number 4,734,272
    • Issue date Mar 29, 1988
    • Eddie K. Wilson
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for treating phospho-gypsum waste product from wet-acid pro...
    • Patent number 4,608,238
    • Issue date Aug 26, 1986
    • Eddie K. Wilson
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Desulfurization of phosphogypsum
    • Patent number 4,503,018
    • Issue date Mar 5, 1985
    • Davy McKee Corporation
    • Samuel A. Gardner
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Catalytic iron oxide for lime regeneration in carbonaceous fuel com...
    • Patent number 4,225,572
    • Issue date Sep 30, 1980
    • The United States of America as represented by the United States Department o...
    • Ming-Shing Shen
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Desulfurization of fluorite ores
    • Patent number 4,144,312
    • Issue date Mar 13, 1979
    • Claude H. P. Lupis
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Simultaneous reductive and oxidative decomposition of calcium sulfa...
    • Patent number 4,102,989
    • Issue date Jul 25, 1978
    • Iowa State University Research Foundation, Inc.
    • Thomas D. Wheelock
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing barium hydroxide
    • Patent number 4,060,585
    • Issue date Nov 29, 1977
    • Metallgesellschaft Aktiengesellschaft
    • Hans-Joachim Rohrborn
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3729551
    • Patent number 3,729,551
    • Issue date Apr 24, 1973
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3607045
    • Patent number 3,607,045
    • Issue date Sep 21, 1971
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3582276
    • Patent number 3,582,276
    • Issue date Jun 1, 1971
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3148950
    • Patent number 3,148,950
    • Issue date Sep 15, 1964
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3087790
    • Patent number 3,087,790
    • Issue date Apr 30, 1963
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2970893
    • Patent number 2,970,893
    • Issue date Feb 7, 1961
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2740691
    • Patent number 2,740,691
    • Issue date Apr 3, 1956
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2735751
    • Patent number 2,735,751
    • Issue date Feb 21, 1956
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2724639
    • Patent number 2,724,639
    • Issue date Nov 22, 1955
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2425740
    • Patent number 2,425,740
    • Issue date Aug 19, 1947
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2232100
    • Patent number 2,232,100
    • Issue date Feb 18, 1941
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2232099
    • Patent number 2,232,099
    • Issue date Feb 18, 1941
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents