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:
Mar. 21, 2006
Filed:
May. 22, 2001
Applicants:
Markus Hack, Karben, DE;
Ulrich Koss, Darmstadt, DE;
Peter König, Homburg, DE;
Martin Rothaemel, Frankfurt am Main, DE;
Hans-dieter Holtmann, Boenen, DE;
Inventors:
Markus Hack, Karben, DE;
Ulrich Koss, Darmstadt, DE;
Peter König, Homburg, DE;
Martin Rothaemel, Frankfurt am Main, DE;
Hans-Dieter Holtmann, Boenen, DE;
Assignee:
MG Technologies AG, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/00 (2006.01); C07C 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing propylene from methanol, wherein methanol vapor is reacted on a first catalyst to obtain a first vapor mixture containing dimethyl ether (DME), which is reacted on a form-selective zeolite catalyst disposed as bed in at least two series-connected shaft reactors to produce a product mixture containing propylene.