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:
Jun. 08, 1993
Filed:
Nov. 21, 1991
Applicant:
Inventors:
Michael Schneider, Ottobrunn-Riemerling, DE;
Gerd Maletz, Bruckmuhl, DE;
Karl Kochloefl, Bruckmuhl/Heufeld, DE;
Assignee:
Sud-Chemie Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502242 ; 502244 ; 502524 ; 568885 ;
Abstract
An SiO.sub.2 -containing copper oxide-chromium oxide catalyst is obtained through heat treatment of copper oxide and chromium oxide, or of a precursor compound convertible into copper oxide or chromium oxide in the presence of an SiO.sub.2 component; it is characterized by the fact that, after the heat treatment,