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. 04, 2012
Filed:
Jun. 26, 2009
Shrojalkumar Desai, Little Canada, MN (US);
Marlene C. Schwarz, Auburndale, MA (US);
Mark Boden, Harrisville, RI (US);
Mohan Krishnan, Shoreview, MN (US);
Michael C. Smith, Lino Lakes, MN (US);
Frederick H. Strickler, Natick, MA (US);
Daniel J. Cooke, Roseville, MN (US);
Shrojalkumar Desai, Little Canada, MN (US);
Marlene C. Schwarz, Auburndale, MA (US);
Mark Boden, Harrisville, RI (US);
Mohan Krishnan, Shoreview, MN (US);
Michael C. Smith, Lino Lakes, MN (US);
Frederick H. Strickler, Natick, MA (US);
Daniel J. Cooke, Roseville, MN (US);
Cardiac Pacemakers, Inc., St. Paul, MN (US);
Abstract
The present invention pertains to polyisobutylene urethane, urea and urethane/urea copolymers, to methods of making such copolymers and to medical devices that contain such polymers. According to certain aspects of the invention, polyisobutylene urethane, urea and urethane/urea copolymers are provided, which comprise a polyisobutylene segment, an additional polymeric segment that is not a polyisobutylene segment, and a segment comprising a residue of a diisocyanate. According to other aspects of the invention, polyisobutylene urethane, urea and urethane/urea copolymers are provided, which comprise a polyisobutylene segment and end groups that comprise alkyl-, alkenyl- or alkynyl-chain-containing end groups.