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:
Jul. 18, 2023
Filed:
Dec. 06, 2021
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Johannes Kraft, Niederkassel, DE;
Lena Altmann, Dorsten, DE;
Johan Anton, Dorsten, DE;
Michael Grass, Haltern am See, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 38/04 (2006.01); B01J 21/06 (2006.01); B01J 23/46 (2006.01); B01J 35/00 (2006.01); B01J 38/02 (2006.01);
U.S. Cl.
CPC ...
B01J 38/04 (2013.01); B01J 21/063 (2013.01); B01J 23/462 (2013.01); B01J 35/008 (2013.01); B01J 38/02 (2013.01);
Abstract
The invention provides a process for regenerating a catalyst used for the ring hydrogenation of an aromatic species, especially an aromatic ester, wherein a gas stream containing a particular amount of oxygen is used for the regeneration.