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:
Apr. 10, 2007
Filed:
Aug. 18, 2003
Applicants:
Kazuo Shoji, Chiba, JP;
Satoshi Terai, Chiba, JP;
Inventors:
Kazuo Shoji, Chiba, JP;
Satoshi Terai, Chiba, JP;
Assignee:
Toyo Engineering Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 41/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing dimethyl ether, which includes dehydrating methanol in vapor phase in the presence of an activated alumina catalyst having an average pore radius of 2.5 nm to 8.0 nm both inclusive and having a sodium oxide content of 0.07 wt % or less. This invention provides a process for producing DME with an improved conversion ratio using a highly active DME-production catalyst.
Shoji, Kazuo. (2007). Process for producing dimethyl ether (U.S. Patent No. 7202387). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7202387
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile