Patents by Inventor Harihara Subramanian Meera

Harihara Subramanian Meera 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).

  • METHOD OF PREPARING HUPERZINE A AND DERIVATIVES THEREOF
    Publication number: 20090247754
    Abstract: The present invention is related to the synthesis of huperzine A. The synthesis includes a variety of process steps that increase productivity, reduce safety concerns, and allow for increasing production of compounds of desired optical isomer. The inventive methods may encompass a single improved reaction step that may be incorporated into a known reaction process for synthesizing huperzine A or a derivative thereof to improve the overall reaction. The inventive methods also encompass complete synthesis methods for preparing huperzine A or a derivative thereof.
    Type: Application
    Filed: March 25, 2009
    Publication date: October 1, 2009
    Inventors: Gail Underiner, Frank Gibson, Linli He, Harihara Subramanian Meera, Jesudoss Mercy Gnanadeepam, Ramanathan Saiganesh, Stephen R. Tudhope, Manouchehr Azadi-Ardakani