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. 02, 2020
Filed:
Aug. 22, 2016
Applicant:
Polyone Corporation, Avon Lake, OH (US);
Inventors:
Yannan Duan, Westlake, OH (US);
Roger W. Avakian, Solon, OH (US);
Assignee:
PolyOne Corporation, Avon Lake, OH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/16 (2006.01); C08F 8/28 (2006.01); C08F 216/34 (2006.01); C08G 63/08 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
C08F 8/16 (2013.01); C08F 8/28 (2013.01); C08F 216/34 (2013.01); C08G 63/08 (2013.01); C08J 5/18 (2013.01); C08J 2329/14 (2013.01);
Abstract
Copolymers of a polyvinyl butyral backbone with polylactic acid grafts and their compounds are disclosed, which can be used to produce clear, flexible and ductile bio-based films. The copolymers are amorphous and have been shown to maintain clarity, flexibility, and ductility after continuous exposure to thermal aging at 80° C. for one week.