Patents by Inventor Yifen Wang

Yifen Wang 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).

  • Patent number: 10603345
    Abstract: The invention provides a pharmaceutical composition for treating a respiratory disease, wherein the pharmaceutical composition comprises one or more components selected from picrinine, vallesamine, scholaricine, and 19-epischolaricine. The pharmaceutical composition has a good protective effect on the respiratory system, and can be used in treatment of a relevant disease.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: March 31, 2020
    Assignees: Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming Beiao Technology Company Limited
    Inventors: Xiaodong Luo, Yunli Zhao, Jianhua Shang, Yaping Liu, Yifen Wang
  • Publication number: 20180344792
    Abstract: The invention provides a pharmaceutical composition for treating a respiratory disease, wherein the pharmaceutical composition comprises one or more components selected from picrinine, vallesamine, scholaricine, and 19-epischolaricine. The pharmaceutical composition has a good protective effect on the respiratory system, and can be used in treatment of a relevant disease.
    Type: Application
    Filed: November 10, 2016
    Publication date: December 6, 2018
    Applicants: Kunming Institute of Botany, The Chinese Academy of Sciences, Kunming Beiao Technology Company Limited
    Inventors: Xiaodong Luo, Yunli Zhao, Jianhua Shang, Yaping Liu, Yifen Wang
  • Publication number: 20090165367
    Abstract: Methods of and systems for generating a bio-fuel from a bio-substance with the assistance of radio frequency heating are taught. In some embodiments, the system includes a reactant containing a bio-substance and an alcohol, a catalyst to be mixed with the reactant, and a radio frequency wave generator for generating a radio frequency wave to be applied to the bio-substance. The bio-substance comes from any appropriate sources including animal oils and fats, such as beef tallow. Alternatively, the bio-substance is able to come from a plant, a fungus, or a protist. One example would be canola oil. In some embodiments, the catalyst is a transesterification catalyst, a Lewis acid, or a Lewis base such as sodium hydroxide. In some embodiments, the alcohol is methanol. In some embodiments, the bio-fuel is bio-diesel.
    Type: Application
    Filed: December 19, 2008
    Publication date: July 2, 2009
    Inventors: Yifen Wang, Shaoyang Liu, Steven E. Taylor