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. 20, 2021
Filed:
Aug. 23, 2018
Applicants:
Bp P.l.c., London, GB;
Bp (China) Holdings Ltd, Shanghai, CN;
Inventors:
Assignees:
BP P.L.C., London, GB;
BP (CHINA) HOLDINGS LTD, Shanghai, CN;
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/09 (2006.01);
U.S. Cl.
CPC ...
C07C 41/09 (2013.01); C07C 41/09 (2013.01); C07C 43/043 (2013.01);
Abstract
A process for dehydrating methanol to dimethyl ether product in the presence of an aluminosilicate zeolite catalyst and a promoter selected from (i) aldehyde of formula RCHO (Formula I) in which Ris hydrogen, a C-Calkyl group or a C-Calkyl group in which 3 or more carbon atoms are joined to form a ring; or (ii) acetal derivative of an aldehyde of Formula I; and the molar ratio of promoter to methanol is maintained at 0.1 or less.