Patents by Inventor Dean Howard Barrett

Dean Howard Barrett 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).

  • Thermally stable nano-catalyst
    Patent number: 9352300
    Abstract: This invention relates to a titanium dioxide catalyst particle, the catalyst particle comprising rutile nanorods having metal nanoparticles deposited at or near the free ends of the nanorods, which is suitable to catalyze reactions after exposure to temperatures above 550 deg C. The invention also provides for the use of a catalyst particle in catalyzing reactions and a method of catalyzing reactions, the catalyst particle being suitable to catalyze reactions after exposure to temperatures about 550 deg C.
    Type: Grant
    Filed: August 19, 2012
    Date of Patent: May 31, 2016
    Assignee: University of the Witwatersrand, Johannesburg
    Inventors: Dean Howard Barrett, Paul John Franklyn
  • THERMALLY STABLE NANO-CATALYST
    Publication number: 20140378299
    Abstract: This invention relates to a titanium dioxide catalyst particle, the catalyst particle comprising ruffle nanorods having metal nanoparticles deposited at or near the free ends of the nanorods, which is suitable to catalyse reactions after exposure to temperatures above 550 deg C. The invention also provides for the use of a catalyst particle in catalysing reactions and a method of catalysing reactions, the catalyst particle being suitable to catalyse reactions after exposure to temperatures above 550 deg C.
    Type: Application
    Filed: August 19, 2012
    Publication date: December 25, 2014
    Applicant: University of the Witwatersrand, Johannesburg
    Inventors: Dean Howard Barrett, Paul John Franklyn