Patents by Inventor Paul G. Deards

Paul G. Deards 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).

  • Patent number: 5059575
    Abstract: A catalyst for the oxidation of carbonaceous particulates carried in a gaseous phase, for example for the treatment of Diesel engine exhaust emissions, comprises a substrate for permitting flow of the gaseous phase therethrough coated with a high surface area ceramic oxide (for example alumina made by a vapor phase condensation method such as flame hydrolysis), cerium(IV) oxide, and a compound such as an oxide, carbonate or nitrate of an element of Group 1A of the Periodic Table. The substrate may be in the form of a ceramic honeycomb such as of cordierite, or of metal sheets (e.g. of an aluminium bearing ferritic alloy) shaped and wound to define gas flow channels, or of ceramic or metal foams, particles or wires in random or structured arrangement. The catalyst may include other components (e.g. transition metals such as Co, Cu, and Mn; Pb; and precious metals such as Pt and Pd) for enhancing performance.
    Type: Grant
    Filed: June 18, 1990
    Date of Patent: October 22, 1991
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: Norman Jorgensen, Michael J. Davies, James A. Cairns, Paul G. Deards