Patents by Inventor Li Hua Zeng

Li Hua Zeng 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).

  • Publication number: 20170238551
    Abstract: The present invention relates to herbal compositions and method for preparing thereof. The herbal composition is derived from pulverizing at least two herbal materials selected from a group of herbal materials consisting of Panax ginseng, Glycyrrhiza uralensis, Agrimonia pilosa, Gynostemma pentaphyllum, asparagus, and mushroom. The pulverized herbal materials are combined to obtain a mixed herbal powder which is then extracted with a solvent to obtain a concentrated herbal extract, wherein the concentrated herbal extract is dried to obtain a dry powder of the herbal compositions.
    Type: Application
    Filed: January 16, 2017
    Publication date: August 24, 2017
    Applicant: Yunnan Panlong Yunhai Pharmaceutical Co. Ltd
    Inventors: Yang Cao, Li Hua Zeng