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. 21, 2009
Filed:
Feb. 22, 2007
Applicants:
Evert Van Der Heide, Amsterdam, NL;
Timothy Michael Nisbet, Amsterdam, NL;
Garo Garbis Vaporciyan, Houston, TX (US);
Inventors:
Evert Van Der Heide, Amsterdam, NL;
Timothy Michael Nisbet, Amsterdam, NL;
Garo Garbis Vaporciyan, Houston, TX (US);
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 69/96 (2006.01); C07C 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An alkanediol and a dialkyl carbonate are prepared in a process comprising: The process is especially suitable for the production of propylene glycol and dimethyl carbonate from propylene carbonate and methanol.