Patents by Inventor Timothy Leedham

Timothy Leedham 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).

  • Synthesis of gallium and indium alkoxides
    Patent number: 7585992
    Abstract: A method of synthesising gallium or indium alkoxide from the corresponding gallium or indium halide, the method comprising the step of reacting the gallium or indium metal halide with the alkoxide of an alkali earth metal, to produce the desired metal alkoxide essentially free of chlorine contamination. The method provides a composition comprising a solution of gallium or indium alkoxide of high purity, the composition having a chloride content of less than 30 ppm, a barium or strontium content of less than 30 ppm, and a sodium or potassium content of less than 30 ppm, without requiring any additional steps.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: September 8, 2009
    Assignee: Multivalent Limited
    Inventor: Timothy Leedham
  • Synthesis of gallium and indium alkoxides
    Publication number: 20090112012
    Abstract: A method of synthesising gallium or indium alkoxide from the corresponding gallium or indium halide, the method comprising the step of reacting the gallium or indium metal halide with the alkoxide of an alkali earth metal, to produce the desired metal alkoxide essentially free of chlorine contamination. The method provides a composition comprising a solution of gallium or indium alkoxide of high purity, the composition having a chloride content of less than 30 ppm, a barium or strontium content of less than 30 ppm, and a sodium or potassium content of less than 30 ppm, without requiring any additional steps.
    Type: Application
    Filed: August 29, 2008
    Publication date: April 30, 2009
    Inventor: Timothy Leedham