Patents Assigned to IMI Refinery Holdings Limited
  • Electrowinning metals
    Patent number: 4039403
    Abstract: A method of electrowinning metals in which the anode comprises a foraminate container containing particulate material chosen from the group electrically conducting non-polarizing compound of a metal and a non-metallic element.
    Type: Grant
    Filed: February 26, 1976
    Date of Patent: August 2, 1977
    Assignees: Imperial Metal Industries (Kynoch) Limited, IMI Refinery Holdings Limited
    Inventors: David John Astley, John Roger Bawden Gilbert, Ian Robert Scholes, Jan Stephan Jacobi, Garth Royston Brookes
  • Method of and anodes for use in electrowinning metals
    Patent number: 3957600
    Abstract: Anodes of alloys, which may be fragmented and used in baskets, of passive film-forming metals and elements having atomic numbers 23-29 for use in electrowinning metals, methods of using such anodes, and electrowinning cells incorporating such anodes.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: May 18, 1976
    Assignees: IMI Refinery Holdings Limited, Imperial Metal Industries (Kynoch) Limited
    Inventors: Andrew George Ives, John Roger Bawden Gilbert, Jan Stephan Jacobi, Ian Robert Scholes, David John Astley