Patents by Inventor Shirley Shen

Shirley Shen 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).

  • Preparation containing barium sulfate
    Publication number: 20090060960
    Abstract: The invention relates to a preparation containing barium sulfate, a method for the production thereof, and the use thereof.
    Type: Application
    Filed: July 6, 2006
    Publication date: March 5, 2009
    Inventors: Petra Biehl, Reiner Mertscheit, Heiner Schulte, Shirley Shen, Bernd Hirthe