Patents by Inventor SuPing Lyu

SuPing Lyu 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).

  • Medical device exhibiting improved adhesion between polymeric coating and substrate
    Publication number: 20040039437
    Abstract: Polymer-coated medical devices having improved structural integrity and drug elution profile, and related methods. Treatment of a polymeric undercoat layer to reflow the undercoat polymer results in a substrate/coating interface with improved adhesion.
    Type: Application
    Filed: August 13, 2003
    Publication date: February 26, 2004
    Applicant: Medtronic, Inc.
    Inventors: Randall V. Sparer, Christopher M. Hobot, SuPing Lyu
  • Active agent delivery system including a polyurethane, medical device, and method
    Publication number: 20040033251
    Abstract: The present invention provides active agent delivery systems for use in medical devices, wherein the active agent delivery systems include an active agent and a miscible polymer blend that includes a polyurethane and a second polymer, preferably one that has at least one Tg equal to or higher than all Tg's of the polyurethane.
    Type: Application
    Filed: August 13, 2003
    Publication date: February 19, 2004
    Applicant: Medtronic, Inc.
    Inventors: Randall V. Sparer, Christopher M. Hobot, SuPing Lyu, Kiem Dang
  • AnB block copolymers containing poly (vinyl pyrrolidone) units, medical devices, and methods
    Publication number: 20030162905
    Abstract: AnB block copolymers, wherein n is at least two, that include A blocks with poly(vinyl pyrrolidone) units and B blocks with urethane groups, urea groups, imide groups, amide groups, ether groups, ester groups, or combinations thereof, as well as medical devices and methods.
    Type: Application
    Filed: September 17, 2002
    Publication date: August 28, 2003
    Inventors: Michael Eric Benz, Julie A. Alkatout, SuPing Lyu