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. 01, 2022
Filed:
Aug. 24, 2018
Applicants:
Bp P.l.c., London, GB;
Bp (China) Holdings Ltd, Shanghai, CN;
Inventors:
Assignee:
BP P.L.C., London, GB;
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/09 (2006.01); B01J 29/40 (2006.01); B01J 29/70 (2006.01); B01J 29/18 (2006.01); B01J 29/08 (2006.01); B01J 23/30 (2006.01); C07C 43/04 (2006.01);
U.S. Cl.
CPC ...
C07C 41/09 (2013.01); B01J 23/30 (2013.01); B01J 29/08 (2013.01); B01J 29/18 (2013.01); B01J 29/40 (2013.01); B01J 29/7007 (2013.01); B01J 29/7015 (2013.01); B01J 29/7042 (2013.01); B01J 29/7046 (2013.01); C07C 43/043 (2013.01);
Abstract
A process for dehydrating methanol to dimethyl ether using a Brønsted acid catalyst which is a 1-dimensional or a 3-dimensional aluminosilicate zeolite or a heteropolyacid, and a promoter of Formula I CHCOCHwherein n=1 to 11 or Formula II CH(COCH)wherein m=2 to 7 and the molar ratio of promoter to methanol is maintained at less than 1.