Patents by Inventor Martinus G. Lok

Martinus G. Lok 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).

  • Catalysts with high cobalt surface area
    Patent number: 7368625
    Abstract: A catalyst or precursor thereto comprising cobalt and/or a cobalt compound on a transition alumina support having a total cobalt content of at least 41% by weight and a cobalt surface area, after reduction, greater than 25 m2 per gram of total cobalt. The catalyst or precursor may be made by slurrying a transition alumina powder having a pore volume of at least 0.7 ml/g with an aqueous cobalt ammine carbonate complex and heating the slurry to decompose the complex.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: May 6, 2008
    Assignee: Johnson Matthey PLC
    Inventors: Martinus G. Lok, Gordon J. Kelly, Gavin Gray