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:
Feb. 26, 2019
Filed:
Sep. 02, 2015
Applicant:
L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;
Inventors:
Martin Rothamel, Frankfurt, DE;
Stephane Haag, Frankfurt, DE;
Frank Castillo-Welter, Frankfurt, DE;
Peter Trabold, Frankfurt, DE;
Martin Gorny, Frankfurt, DE;
Sven Pohl, Frankfurt, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 1/20 (2006.01); C07C 41/01 (2006.01); B01J 19/24 (2006.01); C07C 41/09 (2006.01); B01J 8/04 (2006.01);
U.S. Cl.
CPC ...
C07C 1/20 (2013.01); B01J 8/0453 (2013.01); B01J 8/0492 (2013.01); B01J 19/24 (2013.01); B01J 19/245 (2013.01); C07C 41/01 (2013.01); C07C 41/09 (2013.01); B01J 2219/00006 (2013.01); B01J 2219/24 (2013.01); C07C 2521/04 (2013.01); C07C 2529/40 (2013.01); Y02P 30/42 (2015.11);
Abstract
A process for producing olefins from oxygenates can include the following steps: (i) heterogeneously catalyzed conversion of at least one oxygenate to a product stream containing Colefins, Colefins, Colefins, Chydrocarbon compounds, and Chydrocarbon compounds; and (ii) separation of a propylene stream consisting of Colefins for at least 95 wt-%, wherein at least 10 wt-% of the propylene stream are recirculated into process step (i).