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Patent Searching and Data


Title:
PROCESS
Document Type and Number:
WIPO Patent Application WO/2019/037766
Kind Code:
A1
Abstract:
A process for dehydrating methanol to dimethyl ether product in the presence of a solid Brønsted acid catalyst which is an aluminosilicate zeolite or a heteropolyacid and a promoter which is (i) a ketone of formula R1COR2 (Formula I) in which R1 and R2 are identical or different and are each a C1-C11 alkyl group and furthermore R1 and R2 together with the carbonyl carbon atom to which they are bonded may form a cyclic ketone; or (ii) a ketal derivative of a ketone of Formula I; and the molar ratio of promoter to methanol is maintained at 0.5 or less.

Inventors:
DENNIS-SMITHER BENJAMIN JAMES (GB)
SUNLEY JOHN GLENN (GB)
Application Number:
CN2018/102072
Publication Date:
February 28, 2019
Filing Date:
August 24, 2018
Export Citation:
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Assignee:
BP PLC (GB)
BP CHINA HOLDINGS LTD (CN)
International Classes:
C07C41/09; C07C43/04
Domestic Patent References:
WO2013124404A12013-08-29
WO2013124423A12013-08-29
WO2014125038A12014-08-21
WO2015121411A12015-08-20
WO2015193188A12015-12-23
Foreign References:
US20120220804A12012-08-30
Attorney, Agent or Firm:
CHINA PATENT AGENT (H.K.) LTD. (CN)
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