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:
Nov. 12, 2019
Filed:
Apr. 26, 2017
Applicant:
Medtronic, Inc., Minneapolis, MN (US);
Inventors:
Patricia E. Dunn, Minneapolis, MN (US);
Ronald A. Drake, St. Louis Park, MN (US);
Xiangji Chen, Plymouth, MN (US);
Samuel E. Owings, Roseville, MN (US);
Assignee:
Medtronic, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/29 (2006.01); A61L 29/06 (2006.01); C08K 3/14 (2006.01); C08K 5/3435 (2006.01);
U.S. Cl.
CPC ...
C08K 5/29 (2013.01); A61L 29/06 (2013.01); C08K 3/14 (2013.01); C08K 5/3435 (2013.01);
Abstract
A composition, article, and method for increasing the hydrolytic stability of a polymer; wherein a composition includes: a polymer comprising functional groups having hydrolyzable bonds; a carbodiimide compound; and a weak base (or hindered amine); wherein the carbodiimide compound and weak base (or hindered amine) are used in amounts effective to decrease the rate and/or extent of hydrolytic degradation of the polymer relative to either used alone in the same amount with the polymer.