Patents by Inventor Vellanki Sivarama Prasad

Vellanki Sivarama Prasad 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 producing 5-fluoro-1-(2R, 5S)-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine
    Patent number: 8350030
    Abstract: Disclosed herein an improved process for producing 5-Fluoro-1-(2R,5S)-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine and its pharmaceutical acceptable salts.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: January 8, 2013
    Assignee: Matrix Laboratories Limited
    Inventors: Om Dutt Tyagi, Umamaheswar Vasireddy Rao, Vellanki Sivarama Prasad, Arabinda Sahu
  • PROCESS FOR PRODUCING 5-FLUORO-1-(2R, 5S)-[2-(HYDROXYMETHYL)-1,3-OXATHIOLAN-5-YL]CYTOSINE
    Publication number: 20100256372
    Abstract: Disclosed herein an improved process for producing 5-Fluoro-1-(2R,5S)-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]cytosine and its pharmaceutical acceptable salts.
    Type: Application
    Filed: December 5, 2008
    Publication date: October 7, 2010
    Applicant: MATRIX LABORATORIES LIMITED
    Inventors: Om Dutt Tyagi, Umamaheswar Vasireddy Rao, Vellanki Sivarama Prasad, Arabinda Sahu