TREA

by roasting

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Industry

  • CPC
  • C22B15/0013
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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B15/00Obtaining copper

Current Industry

C22B15/0013by roasting
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Process and apparatus for roasting of metal sulfide concentrates an...
    • Patent number 11,649,523
    • Issue date May 16, 2023
    • Metso Outotec Finland Oy
    • Jochen Güntner
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of copper from arsenic-containing process feed
    • Patent number 10,544,482
    • Issue date Jan 28, 2020
    • Sherritt International Corporation
    • Kelvin Richard Buban
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Process and plant for treating ore concentrate particles containing...
    • Patent number 9,200,345
    • Issue date Dec 1, 2015
    • Outotec Oyj
    • Åke Holmström
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Metals recovery
    • Patent number 4,452,706
    • Issue date Jun 5, 1984
    • Interox Chemicals Limited
    • John R. H. Shaw
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of silver, copper and zinc from partially roasted pyrite c...
    • Patent number 4,177,067
    • Issue date Dec 4, 1979
    • Texasgulf Inc.
    • Terry W. Pepper
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of silver, copper, zinc and lead from partially roasted py...
    • Patent number 4,168,969
    • Issue date Sep 25, 1979
    • Texasgulf Inc.
    • Terry W. Pepper
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    3859411
    • Patent number 3,859,411
    • Issue date Jan 7, 1975
    • 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

    2065547
    • Patent number 2,065,547
    • Issue date Dec 29, 1936
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1914716
    • Patent number 1,914,716
    • Issue date Jun 20, 1933
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1914717
    • Patent number 1,914,717
    • Issue date Jun 20, 1933
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1679294
    • Patent number 1,679,294
    • Issue date Jul 31, 1928
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1634497
    • Patent number 1,634,497
    • Issue date Jul 5, 1927
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1633091
    • Patent number 1,633,091
    • Issue date Jun 21, 1927
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1509947
    • Patent number 1,509,947
    • Issue date Sep 30, 1924
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    156093
    • Patent number 156,093
    • Issue date Oct 20, 1874
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents