Patents by Inventor Pejala Kakrannaya Vasudeva

Pejala Kakrannaya Vasudeva 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).

  • Polymorphic form of rifaximin and process for its preparation
    Patent number: 8759513
    Abstract: The present invention discloses a stable amorphous form of Rifaximin characterized by having X-ray powder diffraction pattern as given in FIG. 1, having a 2? peaks at 7.2 and having moisture content in the range of 3% to 4% preferably, 3.4% to 3.7%. This invention also discloses a novel process for its preparation.
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: June 24, 2014
    Assignee: Sequent Scientific Limited
    Inventors: Sumangala Venkatramana, Vijesh Alanthatta Madathil, Pejala Kakrannaya Vasudeva, Thangavel Arulmoli