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. 05, 1989
Filed:
Mar. 16, 1988
Applicant:
Inventor:
Theodor Cyron, Bergisch Gladbach, DE;
Assignee:
Emitec Gesellschaft fur Emissionstechnologie mbH, Lohmar, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502439 ;
Abstract
A method for oxidation of the surface of a catalyst carrier body made from an aluminum-containing iron alloy and a catalyst carrier body produced according to the method, includes oxidizing the surface of the catalyst carrier body made from an aluminum-containing iron alloy with the exclusion of nitrogen. A film formed substantially of aluminum oxide is developed on the surface of the catalyst carrier body. Preferably, the step of oxidizing the surface of the catalyst carrier body is performed at an elevated temperature, such as above 900.degree. C.