TREA

Removal of arsenic

Follow

Industry

  • CPC
  • C01B17/907
This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

C01B17/907Removal of arsenic
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for separating arsenic and heavy metals in an acidic washing...
    • Patent number 9,555,362
    • Issue date Jan 31, 2017
    • Eisenmann AG
    • Angela Ante
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for separating arsenic acid from an aqueous mixture compris...
    • Patent number 5,449,503
    • Issue date Sep 12, 1995
    • AlliedSignal Inc.
    • Charles L. Redmon
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Fluoride removal from sulphuric acid
    • Patent number 5,324,499
    • Issue date Jun 28, 1994
    • Chemetics International Co. Ltd.
    • Lynda G. Sturgeoff
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Removal of arsenic from acids
    • Patent number 4,692,228
    • Issue date Sep 8, 1987
    • Tenneco Canada Inc. (ERCO division)
    • Zbigniew Twardowski
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for removing As, or As and Sb and/or Bi from sulfuric acid
    • Patent number 4,179,495
    • Issue date Dec 18, 1979
    • Sumitomo Metal Mining Company Limited
    • Seiichi Murakita
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3853012
    • Patent number 3,853,012
    • Issue date Dec 10, 1974
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3741732
    • Patent number 3,741,732
    • Issue date Jun 26, 1973
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3045494
    • Patent number 3,045,494
    • Issue date Jul 24, 1962
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    2019038
    • Patent number 2,019,038
    • Issue date Oct 29, 1935
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    1894720
    • Patent number 1,894,720
    • Issue date Jan 17, 1933
    • C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents