Patents by Inventor Wensheng Yu

Wensheng Yu 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).

  • Process for preparing saponin compounds
    Publication number: 20030069214
    Abstract: A process for preparing compounds of formula (1): 1
    Type: Application
    Filed: August 6, 2002
    Publication date: April 10, 2003
    Inventors: Zhendong Jin, Wensheng Yu