Patents by Inventor H.ang.kan Bo Nygren

H.ang.kan Bo Nygren 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).

  • Articles exhibiting a blood-compatible surface layer and process for providing articles with such a surface layer
    Patent number: 5728437
    Abstract: Article exhibiting at least one surface of glass, metal or hydrophobic polymer coated with blood-compatible surface layer, in which the biocompatible surface layer consists of an adsorbed hydrophobized water-soluble polymer. Process for providing said articles by adsorption of hydrophobized water-soluble polymer. Use of such a substrate material coated with said surface layer for manufacture of medical articles having a blood-compatible surface.
    Type: Grant
    Filed: November 29, 1994
    Date of Patent: March 17, 1998
    Assignee: Astra Meditec Aktiebolag
    Inventors: H.ang.kan Bo Nygren, Emanuel Johan Stenberg