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:
Nov. 24, 2009
Filed:
Oct. 15, 2003
Applicants:
Thomas Hill, Ludwigshafen, DE;
Mathias Haake, Mannheim, DE;
Harald Dialer, Mannheim, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 38/04 (2006.01); B01J 38/10 (2006.01); B01J 23/96 (2006.01); B01J 23/90 (2006.01); B01J 23/50 (2006.01); C07C 5/08 (2006.01); B01J 23/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for regenerating a hydrogenation catalyst which has been used in a gas-phase hydrogenation, which comprises stripping at from 50 to 300° C. with a substance or a substance mixture which under the process conditions has no oxidizing action and is present in the gaseous state is described.