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:
Mar. 23, 2010
Filed:
Aug. 23, 2007
Applicants:
Richard S. King, Warsaw, IN (US);
Craig Ernsberger, Granger, IN (US);
Inventors:
Richard S. King, Warsaw, IN (US);
Craig Ernsberger, Granger, IN (US);
Assignee:
DePuy Products, Inc., Warsaw, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 53/00 (2006.01); C08L 29/00 (2006.01); C08L 33/02 (2006.01); C08L 35/00 (2006.01); B28B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a bearing material of a medical implant, which is an ultrahigh molecular weight polyethylene (UHMWPE) composite. The composite comprises, for example, UHMWPE and a polyethylene copolymer having a polymer backbone and pendant hydrophilic groups or pendant surface active agents that are attached to the polymer backbone. Also disclosed are methods for preparing bearing materials. The bearing material has one or more advantageous properties including reduced immune response, reduced wear, and/or increased lubrication.