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:
Dec. 13, 2022
Filed:
Aug. 06, 2020
Applicant:
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Inventors:
Cathrin G. Kirchhoefer, Obernbreit, DE;
Andrew P. Dove, Kenilworth, GB;
Anthony J. Walder, Essex, MA (US);
Assignee:
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/75 (2006.01); C08G 18/10 (2006.01); C08G 18/32 (2006.01); C08G 18/38 (2006.01); C08G 18/42 (2006.01); C08G 18/66 (2006.01); C08L 75/04 (2006.01);
U.S. Cl.
CPC ...
C08G 18/758 (2013.01); C08G 18/10 (2013.01); C08G 18/3206 (2013.01); C08G 18/3848 (2013.01); C08G 18/4277 (2013.01); C08G 18/6637 (2013.01); C08L 75/04 (2013.01); C08G 2230/00 (2013.01); C08L 2201/06 (2013.01);
Abstract
The thermoplastic polyurethane (TPU) compositions described herein have biodegradable and/or bioabsorbable hard and soft segments. The TPU hard segment can be formed from a polyisocyanate and a 2,5-substituted diketopiperazine.