Patents by Inventor Shao-Kun Pang

Shao-Kun Pang 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).

  • 3-Alpha-hydroxy 21-n-heteroaryl-pregnane derivatives for modulation of brain excitability and a process for the production thereof
    Publication number: 20090118248
    Abstract: The invention relates to a novel multi step process of making compounds of Formula I: wherein R1 is an alkoxy group and R2 is an optionally substituted, N-attached heteroaryl. The hydrogen at the 5-position can be ? or ? isomer, preferably ?. Preferably the compound of Formula I is 17? isomer. The invention also relates to novel 3?-hydroxy-3?-substituted-17-substituted steroid compounds having GABAA receptor modulating activity, pharmaceutical compositions comprising these compounds, and the use of these compounds in a method of modulating brain excitability.
    Type: Application
    Filed: April 22, 2005
    Publication date: May 7, 2009
    Applicant: Euro-Celtique S.A.
    Inventors: Ping W. Chang, Ning Zhong, Xinping Fang, Shao-Kun Pang, Chi-Nung Hsiao, Tsung-Cheng Hu