Patents by Inventor Yan Zhengxin

Yan Zhengxin 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).

  • Helicobacter pylori live vaccine
    Publication number: 20020161192
    Abstract: The present invention relates to novel recombinant live vaccines, which provide protective immunity against an infection by Helicobacter pylori and a method of screening H. pylori antigens for optimized vaccines.
    Type: Application
    Filed: October 15, 2001
    Publication date: October 31, 2002
    Inventors: Thomas F. Meyer, Rainer Haas, Yan Zhengxin, Oscar Gomez-Duarte, Bernadette Lucas, Jochen Maurer, Carol Patrice Gibbs, Claus Tobias Lattemann