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:
Nov. 07, 2000
Filed:
Feb. 08, 1999
Applicant:
Inventors:
Edouard Koulik, ET Maastricht, NL;
Michel Verhoeven, BD Maastricht, NL;
Patrick Cahalan, Windham, NH (US);
Linda Cahalan, Windham, NH (US);
Assignee:
Medtronic Inc., Minneapolis, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ; A61L / ; H05H / ;
U.S. Cl.
CPC ...
427-224 ; 427-225 ; 427-227 ; 427-228 ; 427-23 ; 427-231 ; 427537 ;
Abstract
A method of modifying the surface characteristics of a substrate, particularly a polymeric material. The method involves grafting ethylenically unsaturated monomers and attaching biomolecules, such as heparin, to the surface of the substrate, such as a polymeric material, in one step using an oxidizing metal, such as ceric ions.