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. 17, 1998
Filed:
Nov. 25, 1996
Applicant:
Inventor:
Birendra K Patnaik, Chester, NJ (US);
Assignee:
Meadox Medicals, Inc., Oakland, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08H / ; C08B / ; A61F / ;
U.S. Cl.
CPC ...
523112 ; 525 542 ; 623-1 ; 623-4 ; 623-5 ; 623-6 ; 623-8 ; 623 11 ; 623 12 ; 604266 ;
Abstract
A medical device having a bio-active coating is prepared by providing a polymeric substrate having hydroxyl and/or amine functionality on a surface thereof and applying the bio-active coating to the surface. The bio-active coating is the reaction product of two different reactions. The first reaction includes reacting the polymeric substrate with a hydrophilic, isocyanate-terminated spacer having at least one isocyanate group at its first and second ends. The second reaction includes reacting a remaining, unreacted isocyanate-terminated end of the spacer with a bio-active agent to bond the bio-active agent to the spacer.