Patents by Inventor Richard De Vries

Richard De Vries 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).

  • Hemostatic Foams
    Publication number: 20120114592
    Abstract: Hemostatic foams Abstract The invention is directed to hemostatic foams and to the preparation of such foams. In a first aspect, the present invention provides a biodegradable hemostatic foam comprising a polymer blend of a water-soluble polymer and a phase-separated polyurethane comprising an amorphous segment and a crystalline segment, wherein at least said amorphous segment comprises a hydrophilic segment.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 10, 2012
    Applicant: Polyganics B.V.
    Inventors: Johan Zuidema, Jacob Richard de Vries, Jhacintha Sarikadevie Jankie, Rudolf Robert Maria Bos, Susan Henrieke Visscher
  • Polyester molding composition
    Patent number: 6242519
    Abstract: A thermoplastic glass filled resin composition having improved heat distortion properties consisting essentially of a resin blend consisting essentially of an alkylene aryl polyester, a core-shell ASA (acrylate-styrene-acrylonitrile interpolymer) and an effective amount of talc, polyesteramide, or dicarboxcylic acid salt for enhancing the heat distortion properties of the resin.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: June 5, 2001
    Assignee: General Electric Company
    Inventors: Estelle Cheret, Richard De Vries, Frans Mercx, Vladimir Kwiecinski