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. 04, 2023
Filed:
Feb. 26, 2021
Applicant:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Inventors:
Hochan Chang, Madison, WI (US);
George W. Huber, Middleton, WI (US);
James A. Dumesic, Madison, WI (US);
Assignee:
Wisconsin Alumni Research Foundation, Madison, WI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/32 (2006.01); C08G 63/60 (2006.01); C08G 63/676 (2006.01); C08G 18/76 (2006.01); C08G 63/672 (2006.01);
U.S. Cl.
CPC ...
C08G 63/676 (2013.01); C08G 18/3206 (2013.01); C08G 18/3218 (2013.01); C08G 18/7671 (2013.01); C08G 63/672 (2013.01);
Abstract
A method of making polyesters and polyurethanes from biomass-derived polyols. The polyol is biomass-derived and has the structure: wherein dashed bonds are single or double bonds and R is selected from the group consisting of —OH and ═O. Polyurethanes are made by reacting the polyol with a diisocyanate. Polyesters are made by reacting the polyol with a dicarboxylic acid.