The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 2016
Filed:
Apr. 15, 2010
Mikael Per Uno Carlsson, Stockton on Tees, GB;
Jonathan Geoffrey Oliver, Sunderland, GB;
Mark Robert Feaviour, Reading, GB;
David James Birdsall, Stockton on Tees, GB;
Samuel Arthur French, Neasham, GB;
Mikael Per Uno Carlsson, Stockton on Tees, GB;
Jonathan Geoffrey Oliver, Sunderland, GB;
Mark Robert Feaviour, Reading, GB;
David James Birdsall, Stockton on Tees, GB;
Samuel Arthur French, Neasham, GB;
Johnson Matthey PLC, London, GB;
Abstract
A method for preparing a catalyst comprising (i) preparing a calcined shaped calcium aluminate catalyst support, (ii) treating the calcined shaped calcium aluminate support with water, and then drying the support, (iii) impregnating the dried support with a solution containing one or more metal compounds and drying the impregnated support, (iv) calcining the dried impregnated support, to form metal oxide on the surface of the support and (v) optionally repeating steps (ii), (iii) and (iv) on the metal oxide coated support. The method provides an eggshell catalyst in which the metal oxide is concentrated in an outer layer on the support.