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:
Sep. 06, 2005
Filed:
Jun. 14, 2004
Applicants:
Robert C. Spiro, Half Moon Bay, CA (US);
Lin Shu Liu, Sunnyvale, CA (US);
Inventors:
Robert C. Spiro, Half Moon Bay, CA (US);
Lin Shu Liu, Sunnyvale, CA (US);
Assignee:
Depuy Acromed, Inc., Raynham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K031/715 ; A61K038/16 ; A61K009/70 ; C08H001/02 ; B32B005/32 ;
U.S. Cl.
CPC ...
Abstract
Disclosed are bilayer matrices of a polysaccharide such as collagen (COL) and another polysaccharide such as hyaluronic acid (HA) with various COL/HA ratios. Each layer has a porous structure. These materials are useful for tissue regeneration, particularly when used with orthopedic implants and drug delivery.