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:
Apr. 14, 2009
Filed:
May. 05, 2005
Applicants:
Martin Dieterle, Mannheim, DE;
Gerhard Laqua, Kapellen, BE;
Klaus Joachim Mueller-engel, Stutensee, DE;
Inventors:
Martin Dieterle, Mannheim, DE;
Gerhard Laqua, Kapellen, BE;
Klaus Joachim Mueller-Engel, Stutensee, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the long-term operation of a heterogeneously catalyzed gas phase partial oxidation of at least one organic compound over a catalyst bed, in which, in order to counteract the deactivation of the catalyst bed, the working pressure in the gas phase is increased during the operating time of the catalyst bed.