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by roasting sulfides

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  • CPC
  • C01B17/52
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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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C01B17/52by roasting sulfides
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sulfide oxidation process for production of molybdenum oxides from...
    • Patent number 9,187,340
    • Issue date Nov 17, 2015
    • ORCHARD MATERIAL TECHNOLOGY
    • Larry F. McHugh
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for producing hydrogen, sulfur and sulfur dioxide from hydr...
    • Patent number 8,562,928
    • Issue date Oct 22, 2013
    • Shell Oil Company
    • Puneet Gupta
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for reducing selenium and mercury from aqueous solutions
    • Patent number 6,228,270
    • Issue date May 8, 2001
    • Noranda Inc.
    • George Houlachi
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for reducing sulfate formation during regeneration of hot-ga...
    • Patent number 5,348,921
    • Issue date Sep 20, 1994
    • The United States of America as represented by the United States Department o...
    • Larry A. Bissett
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for purifying high-temperature reducing gas
    • Patent number 4,994,257
    • Issue date Feb 19, 1991
    • Mitsubishi Jukogyo Kabushiki Kaisha
    • Mitsugi Suehiro
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process of drying sulfide ores in direct contact with hot drying gases
    • Patent number 4,582,481
    • Issue date Apr 15, 1986
    • Metallgesellschaft Aktiengesellschaft
    • Karl-Heinz Dorr
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • 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

    3897546
    • Patent number 3,897,546
    • Issue date Jul 29, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3745668
    • Patent number 3,745,668
    • Issue date Jul 17, 1973
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3656933
    • Patent number 3,656,933
    • Issue date Apr 18, 1972
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3632312
    • Patent number 3,632,312
    • Issue date Jan 4, 1972
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3632974
    • Patent number 3,632,974
    • Issue date Jan 4, 1972
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3386815
    • Patent number 3,386,815
    • Issue date Jun 4, 1968
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3198602
    • Patent number 3,198,602
    • Issue date Aug 3, 1965
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3181944
    • Patent number 3,181,944
    • Issue date May 4, 1965
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3172755
    • Patent number 3,172,755
    • Issue date Mar 9, 1965
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3169853
    • Patent number 3,169,853
    • Issue date Feb 16, 1965
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3160496
    • Patent number 3,160,496
    • Issue date Dec 8, 1964
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    3059995
    • Patent number 3,059,995
    • Issue date Oct 23, 1962
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3053651
    • Patent number 3,053,651
    • Issue date Sep 11, 1962
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2993778
    • Patent number 2,993,778
    • Issue date Jul 25, 1961
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2978297
    • Patent number 2,978,297
    • Issue date Apr 4, 1961
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2889202
    • Patent number 2,889,202
    • Issue date Jun 2, 1959
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2889203
    • Patent number 2,889,203
    • Issue date Jun 2, 1959
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2878102
    • Patent number 2,878,102
    • Issue date Mar 17, 1959
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2867526
    • Patent number 2,867,526
    • Issue date Jan 6, 1959
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2867506
    • Patent number 2,867,506
    • Issue date Jan 6, 1959
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2847281
    • Patent number 2,847,281
    • Issue date Aug 12, 1958
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2789034
    • Patent number 2,789,034
    • Issue date Apr 16, 1957
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2768880
    • Patent number 2,768,880
    • Issue date Oct 30, 1956
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents