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:
Dec. 02, 2008
Filed:
Nov. 26, 2002
Michael Ian Petch, Woodley, GB;
Mark Robert Feaviour, Reading, GB;
Suzanne Rose Ellis, Reading, GB;
Jillian Elaine Bailie, Reading, GB;
David Wails, Reading, GB;
Paul James Millington, Reading, GB;
Michael Ian Petch, Woodley, GB;
Mark Robert Feaviour, Reading, GB;
Suzanne Rose Ellis, Reading, GB;
Jillian Elaine Bailie, Reading, GB;
David Wails, Reading, GB;
Paul James Millington, Reading, GB;
General Motors Corporation, Detroit, MI (US);
Abstract
Methods and apparatus for producing hydrogen are provided. The methods and apparatus utilize reforming catalysts in order to produce hydrogen gas. The reforming catalysts may be platinum group metals on a support material, and they may be located in a reforming reaction zone of a primary reactor. The support material may an oxidic support having a ceria zirconia promoter. The support material may be an oxidic support and a neodymium stabilizer. The support material may also be an oxidic support material and at least one Group IA, Group IIA, manganese, or iron metal promoter. The primary reactor may have a first and second reforming reaction zones. Upstream reforming catalysts located in the first reforming reaction zone may be selected to perform optimally under the conditions in the first reforming reaction zone. Downstream reforming catalysts located in the second reforming reaction zone may be selected to perform optimally under the conditions in the second reforming reaction zone.