TREA

Separating metals from lead by crystallising

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Industry

  • CPC
  • C22B13/10
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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B13/00Obtaining lead

Current Industry

C22B13/10Separating metals from lead by crystallising
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing iron oxide pellets
    • Patent number 7,438,730
    • Issue date Oct 21, 2008
    • Kobe Steel, Ltd.
    • Yasuhiko Igawa
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of producing iron oxide pellets
    • Patent number 6,811,759
    • Issue date Nov 2, 2004
    • Kabushiki Kaisha Kobe Seiko Sho
    • Osamu Tsuchiya
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method of producing iron oxide pellets
    • Patent number 6,579,505
    • Issue date Jun 17, 2003
    • Kabushiki Kaisha Kobe Seiko Sho
    • Osamu Tsuchiya
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Process for the treatment of electric arc furnace dust
    • Patent number 5,336,297
    • Issue date Aug 9, 1994
    • Terra Gaia Environmental Group Inc.
    • Roderick O. McElroy
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for the recovery of lead and silver chlorides
    • Patent number 4,556,422
    • Issue date Dec 3, 1985
    • Hazen Research, Inc.
    • James E. Reynolds
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for separating solutions
    • Patent number 4,529,444
    • Issue date Jul 16, 1985
    • Boliden Aktiebolag
    • Karl G. E. Bjorling
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Recovery of copper and zinc from complex chloride solutions
    • Patent number 4,362,607
    • Issue date Dec 7, 1982
    • Canadian Patents and Development Limited
    • Gordon M. Ritcey
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Halogenation of lead sulfide
    • Patent number 4,173,623
    • Issue date Nov 6, 1979
    • UOP Inc.
    • J. Mark Richardson
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    2434105
    • Patent number 2,434,105
    • Issue date Jan 6, 1948
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    1843413
    • Patent number 1,843,413
    • Issue date Feb 2, 1932
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method of producing iron oxide pellets
    • Publication number 20060218753
    • Publication date Oct 5, 2006
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Yasuhiko Igawa
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Method of producing iron oxide pellets
    • Publication number 20040221426
    • Publication date Nov 11, 2004
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Yasuhiko Igawa
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Method of producing iron oxide pellets
    • Publication number 20030198779
    • Publication date Oct 23, 2003
    • KABUSHIKI KAISHA KOBE SEIKO SHO
    • Osamu Tsuchiya
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Method of producing iron oxide pellets
    • Publication number 20020175441
    • Publication date Nov 28, 2002
    • KABUSHIKI KAISHA KOBE SEIKO SHO
    • Osamu Tsuchiya
    • C21 - METALLURGY OF IRON