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:
May. 01, 2007
Filed:
Jun. 24, 2003
Applicants:
Wendelin J. Stark, Winterthur, CH;
Lutz Mädler, Zurich, CH;
Sotiris E. Pratsinis, Zürich, CH;
Inventors:
Assignee:
Eidgenossische Technische Hochschule Zurich, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 1/00 (2006.01); C01F 17/00 (2006.01); C01G 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Described is a method for the production of metal oxides by flame spray pyrolysis, in particular mixed metal oxides such as ceria/zirconia, and metal oxides obtainable by said method. Due to high enthalpy solvents with a high carboxylic acid content said metal oxides have improved properties. For example ceria/zirconia has excellent oxygen storage capacity at high zirconium levels up to more than 80% of whole metal content.