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:
Jan. 21, 2014
Filed:
May. 19, 2009
Applicants:
Markus Winterberg, Datteln, DE;
Dirk Roettger, Antwerp, BE;
Rainer Bukohl, Marl, DE;
Holger Wiederhold, Darmstadt, DE;
Walter Luh, Marl, DE;
Inventors:
Markus Winterberg, Datteln, DE;
Dirk Roettger, Antwerp, BE;
Rainer Bukohl, Marl, DE;
Holger Wiederhold, Darmstadt, DE;
Walter Luh, Marl, DE;
Assignee:
Evonik Oxeno GmbH, Marl, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 4/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing isobutene including cleaving a mixture obtained from an MTBE-containing feedstock and/or an MTBE-containing stream, affording a stream of reaction products consisting of isobutene, methanol, MTBE and by-products, the latter consisting of