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:
Mar. 15, 2016
Filed:
Aug. 19, 2011
Applicants:
Haibo Zhao, The Woodlands, TX (US);
Mark Posey, Spring, TX (US);
Inventors:
Haibo Zhao, The Woodlands, TX (US);
Mark Posey, Spring, TX (US);
Assignee:
HUNTSMAN PETROCHEMICAL LLC, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 317/36 (2006.01); C07C 269/04 (2006.01); C07D 317/38 (2006.01); C07C 68/06 (2006.01);
U.S. Cl.
CPC ...
C07D 317/36 (2013.01); C07C 68/06 (2013.01); C07C 269/04 (2013.01); C07D 317/38 (2013.01);
Abstract
A method of producing a carbonate product including mixing a DMC and methanol mixture with an alcohol, reacting the DMC with the alcohol to form carbonate product, and removing a substantial portion of unreacted DMC and methanol. In one embodiment, the method may be repeated to reach a desired alcohol conversion by adding more DMC and methanol mixture.