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:
Jan. 16, 2018
Filed:
Nov. 12, 2014
Pfm Medical Titanium Gmbh, Nürnberg, DE;
Karin Stadtherr, Zenting, DE;
Christof Schmid, Bad Abbach, DE;
Karla Lehle, Wenzenbach, DE;
Karin Lukas, Köfering, DE;
Hanngörg Zimmermann, Gössweinstein, DE;
Daniel Wehner, München, DE;
Thomas Schmid, Schondorf, DE;
pfm medical titanium gmbh, Nürnberg, DE;
Abstract
The invention concerns polyurethane (PUR) having an antithrombogenic coating, wherein the antithrombogenic coating comprises at least one antithrombogenic substance covalently bound to a surface of the PUR via at least two bonds, wherein a first of said bonds is an amide bond between the surface of the PUR and a polyethyleneimine (PEI) and a second of said bonds is between the PEI and the antithrombogenic substance, wherein the surface of the PUR had been activated by use of a carbon dioxide plasma or a plasma modified by addition of carbon dioxide before the first of said bonds was formed.