Patents by Inventor Nilesh Bhimsingh Dumre

Nilesh Bhimsingh Dumre 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).

  • PROCESS FOR THE MANUFACTURE OF CIS(-)-LAMIVUDINE
    Publication number: 20110257396
    Abstract: An improved process for the manufacture of Lamivudine. The process involves: (a) resolution of racemic lamivudine (intermediate of formula IX) to cis (±) lamivudine of formula (XII) by forming a crystalline salt and separating the product from an organic solvent by fractional crystallization; (b) resolution of cis (±) lamivudine to cis (?) isomer involving formation of S-Binol adduct of formula XIV.
    Type: Application
    Filed: September 10, 2007
    Publication date: October 20, 2011
    Applicant: Lupin Limited
    Inventors: Girij Pal Singh, Dhananjai Srivastava, Srinivas Ayyalasomayajula Satya, Manmeet Brijkishore Saini, Harishchandra Sambhaji Jadhav, Aparna Murlidharan Warrier, Nilesh Bhimsingh Dumre