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:
Jun. 04, 2019
Filed:
Dec. 02, 2016
Applicant:
Saudi Aramco Technologies Company, Dhahran, SA;
Inventors:
Scott D. Allen, Ithaca, NY (US);
Christopher A. Simoneau, Ithaca, NY (US);
William D. Keefe, Ithaca, NY (US);
Jeff R. Conuel, Ithaca, NY (US);
Assignee:
Saudi Aramco Technologies Company, Dhahran, SA;
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/00 (2006.01); C08G 64/34 (2006.01);
U.S. Cl.
CPC ...
C08G 64/34 (2013.01);
Abstract
The present invention provides methods for reducing induction periods in epoxide-COcopolymerizations. In certain embodiments, the methods include the step of contacting an epoxide with COin the presence of two catalysts: an epoxide hydrolysis catalyst and an epoxide COcopolymerization catalyst. In another aspect, the invention provides catalyst compositions comprising a mixture of an epoxide hydrolysis catalyst and an epoxide COcopolymerization catalyst.