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:
Jan. 31, 2006
Filed:
Jul. 29, 2003
Applicants:
Herbert Müller, Altrip, DE;
Stefan Bösing, Mainz, DE;
Walter Behl, Blankenbach, DE;
Inventors:
Assignee:
Degussa AG, Düsseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 21/00 (2006.01); B01J 23/00 (2006.01); B01J 20/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing a shell-type catalyst which comprises applying to a substantially nonporous inorganic support material having a BET surface area of <80 m/g, a catalytically active outer shell of a suspension containing at least one water soluble noble metal compound and a substantially water insoluble coating compound, drying the suspension onto the support material, and activating the coated support material in a reducing gas stream.