Patents Assigned to DSM BIOMEDICAL INC.
  • Intravaginal ring comprising polyurethane composition for drug delivery
    Patent number: 9393311
    Abstract: The invention is directed to an intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): The invention is further directed to administering one or more pharmaceutically active substances to a patient in need thereof.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: July 19, 2016
    Assignees: DSM IP ASSETS B.V., DSM BIOMEDICAL INC.
    Inventors: Robert S. Ward, Shanger Wang, Li Li, Durgaprasad Chalasani, Patrick Kiser, Meredith Roberts Clark