Patents by Inventor Wouter De Graff

Wouter De Graff 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).

  • Helically-Shaped Drug Delivery System
    Publication number: 20100136090
    Abstract: The present invention relates to a helically-shaped medicated veterinary system suitable for delivery of a drug to the vaginal cavity of a female non-human mammal and to a method of manufacture. The drug delivery system is helically-shaped and comprises a three layered polymer fibre. The polymer fibre comprises a polymer core, a polymer intermediate layer comprising a drug, and a polymer skin. The medicated system provides a controlled delivery of drug to the vaginal cavity of the mammal. The present invention also relates to a process of making the springs.
    Type: Application
    Filed: November 19, 2007
    Publication date: June 3, 2010
    Inventors: Marc-Antoine Driancourt, Wouter De Graff, Laura Buttafoco, Fabrice Payot, Harm Veenstra, René Willem Joris Voss