Patents by Inventor Karin Lukas

Karin Lukas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Polyurethane having an antithrombogenic coating
    Patent number: 9867912
    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.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: January 16, 2018
    Assignee: pfm medical titanium gmbh
    Inventors: Karin Stadtherr, Christof Schmid, Karla Lehle, Karin Lukas, Hanngörg Zimmermann, Daniel Wehner, Thomas Schmid
  • Polyurethane Having an Antithrombogenic Coating
    Publication number: 20160279304
    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.
    Type: Application
    Filed: November 12, 2014
    Publication date: September 29, 2016
    Inventors: Karin Stadtherr, Christof Schmid, Karla Lehle, Karin Lukas, Hanngörg Zimmermann, Daniel Wehner, Thomas Schmid