Patents by Inventor Norman Tattam

Norman Tattam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electrode and construction thereof
    Patent number: 4964966
    Abstract: An electrode comprising a first structure of a low conductivity non-metallic material spaced from a second structure of a high conductivity material which acts as a current distributor to the first structure, and a low melting metal or alloy of bismuth between and in contact with the structures.
    Type: Grant
    Filed: February 27, 1989
    Date of Patent: October 23, 1990
    Inventors: Peter J. Moreland, Norman Tattam
  • Electrolytic cell
    Patent number: 4585527
    Abstract: An electrolytic cell comprising an anode and cathode and a gasket of an electrically insulating composition in which the gasket is made of an electrically insulating composition which comprises a homogeneous mixture of an elastomeric polymer and at least 15%, and optionally up to 70%, of polytetrafluoroethylene by weight of the composition. Also a gasket suitable for use in an electrolytic cell, and a process of electrolysis which is operated in the electrolytic cell. Aqueous alkali metal chloride solution may be electrolysed in the electrolytic cell.
    Type: Grant
    Filed: January 25, 1985
    Date of Patent: April 29, 1986
    Assignee: Imperial Chemical Industries PLC
    Inventors: Herbert S. Northway, Norman Tattam