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:
Feb. 17, 2015
Filed:
Apr. 08, 2011
Applicants:
Wankei Wan, London, CA;
Donna Padavan, London, CA;
Inventors:
Wankei Wan, London, CA;
Donna Padavan, London, CA;
Assignee:
Axcelon Biopolymers Corporation, London, ON, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L 27/34 (2006.01); A61K 47/34 (2006.01); A61L 31/10 (2006.01); C08G 69/26 (2006.01); C08G 69/28 (2006.01); A61L 27/18 (2006.01); A61L 27/54 (2006.01); A61L 31/06 (2006.01); A61L 31/16 (2006.01); C12N 5/071 (2010.01); C12N 11/08 (2006.01);
U.S. Cl.
CPC ...
A61L 27/34 (2013.01); A61K 47/34 (2013.01); A61L 27/18 (2013.01); A61L 27/54 (2013.01); A61L 31/06 (2013.01); A61L 31/10 (2013.01); A61L 31/16 (2013.01); C12N 5/069 (2013.01); C12N 11/08 (2013.01);
Abstract
A method is provided for the preparation of a poly(amic acid) in which ring opening polymerization is employed to react the monomers ethylenediaminetetraacetic dianhydride and paraphenylenediamine in an aprotic solvent. The resulting poly(amic acid) composition is suitable as a biocompatible material, such as a biomedical implant, implant coating material, tissue scaffold material, controlled release drug delivery vehicle, and cellular growth substrate.