TREA

by processes involving a liquid-liquid extraction

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  • CPC
  • C01B17/925
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CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B17/00Sulfur Compounds thereof

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C01B17/925by processes involving a liquid-liquid extraction
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for removing organic phosphorous compounds and other impuri...
    • Patent number 6,083,470
    • Issue date Jul 4, 2000
    • Hoechst Aktiengesellschaft
    • Gerhard Diekhaus
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Extraction method
    • Patent number 6,007,722
    • Issue date Dec 28, 1999
    • Chematur Ecoplanning Oy
    • Lasse Parvinen
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of separation of sugars and concentrated sulfuric acid
    • Patent number 4,608,245
    • Issue date Aug 26, 1986
    • James L. Gaddy
    • C13 - SUGAR INDUSTRY
  • Information Patent Grant

    Process for the recovery of sulfuric acid
    • Patent number 4,440,734
    • Issue date Apr 3, 1984
    • Gouvernement du Quebec
    • Demetre Kougioumoutzakis
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3691252
    • Patent number 3,691,252
    • Issue date Sep 12, 1972
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3652708
    • Patent number 3,652,708
    • Issue date Mar 28, 1972
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3607035
    • Patent number 3,607,035
    • Issue date Sep 21, 1971
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3506399
    • Patent number 3,506,399
    • Issue date Apr 14, 1970
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3234301
    • Patent number 3,234,301
    • Issue date Feb 8, 1966
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2940994
    • Patent number 2,940,994
    • Issue date Jun 14, 1960
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2856265
    • Patent number 2,856,265
    • Issue date Oct 14, 1958
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2819948
    • Patent number 2,819,948
    • Issue date Jan 14, 1958
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2794704
    • Patent number 2,794,704
    • Issue date Jun 4, 1957
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2766275
    • Patent number 2,766,275
    • Issue date Oct 9, 1956
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2739874
    • Patent number 2,739,874
    • Issue date Mar 27, 1956
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2660516
    • Patent number 2,660,516
    • Issue date Nov 24, 1953
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2562608
    • Patent number 2,562,608
    • Issue date Jul 31, 1951
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2559496
    • Patent number 2,559,496
    • Issue date Jul 3, 1951
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2512327
    • Patent number 2,512,327
    • Issue date Jun 20, 1950
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2387519
    • Patent number 2,387,519
    • Issue date Oct 23, 1945
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2330077
    • Patent number 2,330,077
    • Issue date Sep 21, 1943
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2304280
    • Patent number 2,304,280
    • Issue date Dec 8, 1942
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    2036299
    • Patent number 2,036,299
    • Issue date Apr 7, 1936
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1669102
    • Patent number 1,669,102
    • Issue date May 8, 1928
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1665190
    • Patent number 1,665,190
    • Issue date Apr 3, 1928
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    306897
    • Patent number 306,897
    • Issue date Oct 21, 1884
    • C01 - INORGANIC CHEMISTRY