Patents by Inventor WERNER WEITCHIES

WERNER WEITCHIES 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).

  • MICROPARTICLE PREPARATIONS MADE OF BIODEGRADABLE COPOLYMERS
    Publication number: 20020028217
    Abstract: The invention relates to microparticle preparations made of biodegradable copolymers for use in treatment and diagnosis, especially ultrasonic diagnosis, as well as a process for their production.
    Type: Application
    Filed: July 21, 1997
    Publication date: March 7, 2002
    Inventors: THOMAS FRITZSCH, DIETER HELDMANN, WERNER WEITCHIES