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:
Apr. 20, 2021
Filed:
Jun. 03, 2019
Applicant:
Saudi Aramco Technologies Company, Dhahran, SA;
Inventors:
Scott D. Allen, Ithaca, NY (US);
Wayne R. Willkomm, Ithaca, NY (US);
Assignee:
Saudi Aramco Technologies Company, Dhahran, SA;
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/08 (2006.01); C08G 18/76 (2006.01); C08G 18/16 (2006.01); C08G 18/18 (2006.01); C08G 18/20 (2006.01); C08G 18/24 (2006.01); C08G 64/02 (2006.01); C08G 64/18 (2006.01); C08G 64/34 (2006.01); C08G 18/44 (2006.01); C08G 18/10 (2006.01);
U.S. Cl.
CPC ...
C08G 18/14 (2013.01); C08G 18/10 (2013.01); C08G 18/165 (2013.01); C08G 18/1833 (2013.01); C08G 18/2081 (2013.01); C08G 18/246 (2013.01); C08G 18/44 (2013.01); C08G 18/7664 (2013.01); C08G 18/7671 (2013.01); C08G 64/0208 (2013.01); C08G 64/183 (2013.01); C08G 64/34 (2013.01); C08G 2110/0008 (2021.01); C08G 2110/0025 (2021.01); C08G 2110/0066 (2021.01); C08G 2110/0083 (2021.01);
Abstract
The present invention encompasses polyurethane compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane foams, thermoplastics and elastomers derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: In another aspect, the invention provides articles comprising the inventive foam and elastomer compositions as well as methods of making such compositions.