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:
Jan. 25, 2022
Filed:
Apr. 18, 2019
Applicant:
Saudi Aramco Technologies Company, Dhahran, SA;
Inventors:
James Eagan, Austin, TX (US);
Christopher A. Simoneau, Oxford, CT (US);
Jay J. Farmer, Ithaca, NY (US);
Assignee:
Saudi Aramco Technologies Company, Dhahran, SA;
Primary Examiner:
Int. Cl.
CPC ...
C08G 64/40 (2006.01); C08G 64/02 (2006.01); C08G 64/34 (2006.01); B01J 21/02 (2006.01); B01J 35/00 (2006.01); B01J 31/04 (2006.01);
U.S. Cl.
CPC ...
C08G 64/40 (2013.01); B01J 21/02 (2013.01); B01J 31/04 (2013.01); B01J 35/0006 (2013.01); C08G 64/0208 (2013.01); C08G 64/34 (2013.01); B01J 2231/52 (2013.01); B01J 2531/002 (2013.01);
Abstract
Described herein are methods of preparing poly(alkylene carbonate) polymers comprising an increased ratio of primary hydroxyl end groups to secondary hydroxyl end groups, and compositions thereof.