Patents by Inventor Hanfel Sang

Hanfel Sang 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: 20100152150
    Abstract: The application of marine steroid, i.e. 24-methylene-cholest-3?,5?,6?,19-tetrol, in preparing the medicine of treating neurons damaging is provided in the present invention. The keto-sterols compounds marine steroid YC-1 extracted from Nephthea albida has the action of neuronal protection, and no toxic reaction under the effective protective dosage.
    Type: Application
    Filed: August 31, 2006
    Publication date: June 17, 2010
    Inventors: Guangmei Yan, Pengxin Qiu, Yijun Huang, Wei Yin, Xingwen Su, Ailing Liu, Hanfel Sang, Xiang Cai