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