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. 30, 2019
Filed:
Apr. 11, 2016
Applicant:
Colorado State University Research Foundation, Fort Collins, CO (US);
Inventors:
Eugene Y. Chen, Fort Collins, CO (US);
Miao Hong, Fort Collins, CO (US);
Xiaoyan Tang, Fort Collins, CO (US);
Assignee:
Colorado State University Research Foundation, Fort Collins, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/08 (2006.01); C08G 63/82 (2006.01); C08G 69/14 (2006.01);
U.S. Cl.
CPC ...
C08G 63/08 (2013.01); C08G 63/823 (2013.01); C08G 69/14 (2013.01);
Abstract
The invention provides polymers of Formulas I-III, such as polyesters and unsaturated polyesters, and crosslinked and copolymerized polymers thereof. The invention also provides methods to catalytically ring-open five-membered rings such lactones, lactams, and thiolactones, as via ring-opening polymerization. The polymerization products are recyclable and can be depolymerized back to their monomer form via thermolysis and acid or base catalysis.