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:
Apr. 03, 2015
Applicant:
Saudi Aramco Technologies Company, Dhahran, SA;
Inventor:
Christopher A. Simoneau, Oxford, CT (US);
Assignee:
Saudi Aramco Technologies Company, Dhahran, SA;
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/64 (2006.01); C08G 64/42 (2006.01); C08G 64/02 (2006.01); C08G 18/44 (2006.01); C08G 18/72 (2006.01);
U.S. Cl.
CPC ...
C08G 63/64 (2013.01); C08G 18/44 (2013.01); C08G 18/72 (2013.01); C08G 64/0216 (2013.01); C08G 64/42 (2013.01);
Abstract
The present invention encompasses CO-based polycarbonate polyols that do not degrade from the chain ends to form cyclic carbonate. Importantly, the inventive polyol compositions retain —OH end group functionality desirable for thermoset applications.