Patents by Inventor Davida W. Kalina

Davida W. Kalina 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).

  • Separation of hydrogen sulfide from gaseous and non-aqueous liquid streams
    Patent number: 4526774
    Abstract: An indirect hydrogen sulfide conversion process for the production of elemental hydrogen and sulfur. The process is based upon the electrochemical oxidation of iodide in an aqueous solution with a pH in the range of 0 to 1 at high current densities and current efficiencies. Hydrogen gas is produced concurrently with soluble triiodide. Treatment of a gaseous or non-aqueous liquid stream with electrolyte solutions containing triiodide yields a sulfur product in plastic form. The sulfur product can be recrystallized from a solvent to yield sulfur of comparable purity to that presently produced.
    Type: Grant
    Filed: April 27, 1984
    Date of Patent: July 2, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: Edward T. Maas, Jr., Davida W. Kalina
  • Composition and method for making conductive polymers
    Patent number: 4456548
    Abstract: Disclosed is a composition comprising a doped solid resinous acrylonitrile polymer wherein said acrylonitrile polymer is selected from the group consisting of at least one condensed polyacrylonitrile and dehydrohalogenated polyalphahaloacrylonitrile and said polymer is doped with at least one reagent capable of forming charge-transfer complexes with said acrylonitrile polymer selected from the group consisting of Lewis acids and Lewis bases. Also disclosed are films of said polymer and a process for making said composition.
    Type: Grant
    Filed: October 15, 1982
    Date of Patent: June 26, 1984
    Assignee: Standard Oil Company (Indiana)
    Inventors: David Lewis, Davida W. Kalina, Tsung-Ein Tsai