Patents by Inventor Dhanpalan Nagarathnam

Dhanpalan Nagarathnam 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).

  • Synthesis of purine nucleosides
    Patent number: 9045520
    Abstract: A process for preparing phosphoramidate prodrugs or cyclic phosphate prodrugs of nucleoside derivatives, which is a compound, its stereoisomers, salts (acid or basic addition salts), hydrates, solvates, or crystalline forms thereof.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: June 2, 2015
    Assignee: GILEAD PHARMASSET LLC
    Inventors: Byoung-Kwon Chun, Jinfa Du, Suguna Rachakonda, Bruce Ross, Michael Joseph Sofia, Ganapati Reddy Pamulapati, Wonsuk Chang, Hai-Ren Zhang, Dhanpalan Nagarathnam