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:
Nov. 22, 2016
Filed:
Mar. 06, 2014
Applicant:
Bp Chemicals Limited, Middlesex, GB;
Inventors:
Evert Jan Ditzel, East Yorkshire, GB;
Bogdan Costin Gagea, Berkshire, GB;
John Glenn Sunley, East Yorkshire, GB;
Assignee:
BP CHEMICALS LIMITED, Middlesex, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 67/36 (2006.01); C07C 67/37 (2006.01); B01J 29/18 (2006.01); B01J 29/06 (2006.01); B01J 37/00 (2006.01); C07C 51/09 (2006.01);
U.S. Cl.
CPC ...
C07C 67/37 (2013.01); B01J 29/06 (2013.01); B01J 29/18 (2013.01); B01J 37/0009 (2013.01); B01J 37/0018 (2013.01); C07C 51/09 (2013.01); B01J 2229/42 (2013.01);
Abstract
Process for preparing methyl acetate by the carbonylation of dimethyl ether with carbon monoxide in the presence of hydrogen and a zeolite catalyst. In a first step, the carbonylation is conducted with a carbon monoxide to hydrogen molar ratio of at least 1 and, in a second and subsequent step, the carbonylation is conducted with a hydrogen to carbon monoxide molar ratio of greater than 1.