Patents by Inventor M. Arshad Siddiqui

M. Arshad Siddiqui 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).

  • Processes for the diastereoselective separation of nucleoside analogue synthetic intermediates
    Patent number: 5663320
    Abstract: The present invention relates to highly diastereoselective processes for production of cis-nucleosides and nucleoside analogues and derivatives in high optical purity and intermediates useful in those processes.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: September 2, 1997
    Assignee: BioChem Pharma, Inc.
    Inventors: Tarek Mansour, Haolun Jin, Allan H.L. Tse, M. Arshad Siddiqui