Patents Assigned to BP Chemicals Limited & Johnson Matthey Public Limited Company
  • Publication number: 20030144544
    Abstract: A composition and process for making same in which the composition comprises support particles having at least one catalytically active metal or precursor thereof distributed therein in a layer below the surface of said particle, said layer being between an inner and an outer region of said support particle) and each of said inner and outer regions having a lower concentration of said metal or precursor thereof than said layer.
    Type: Application
    Filed: January 9, 2003
    Publication date: July 31, 2003
    Applicant: BP Chemicals Limited & Johnson Matthey Public Limited Company
    Inventors: Michael James Baker, John William Couves, Kenneth George Griffin, Peter Johnston, James Colin McNicol, George Frederick Salem