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:
Oct. 29, 1991
Filed:
Jul. 18, 1990
Applicant:
Inventors:
Jan Feijen, Hengelo, NL;
Gerardus H Engbers, Oldenzaal, NL;
Assignee:
Cordis Europa N.V., Roden, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C12N / ; A61F / ;
U.S. Cl.
CPC ...
525 541 ; 523112 ; 435180 ; 514822 ; 424422 ; 424423 ;
Abstract
A substrate for medical devices and a process for making the substrate is provided, the substrate having on at least part of its surface a blood-compatible surface produced by coupling a physiologically active substance to the surface. The physiologically active substance is one having an inhibitory effect on the formation of blood clots and/or is capable of breaking down blood clots formed. The physiologically active substance is bonded to a polyacid, and the polyacid is attached to the surface by a covalent bond.