Patents by Inventor Srinivas Pathi

Srinivas Pathi 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).

  • Stable Crystal Form of Imatinib Mesylate and Process for the Preparation Thereof
    Publication number: 20070265288
    Abstract: The invention relates to a stable, non hygroscopic alpha crystalline form of methane sulfonic acid addition salt of 4-(4-methyl piperazin-1yl methyl)-N-[4-methyl-3-(4-pyridin-3-yl) pyrimidin-2-yl amino)phenyl]-benzamide (imatinib mesylate). A process for the preparation of the crystalline form is also described.
    Type: Application
    Filed: September 2, 2005
    Publication date: November 15, 2007
    Inventors: Srinivas Pathi, Ravikumar Puppala, Rajendra Kankan, Dharmaraj Rao
  • NOVEL CRYSTALLINE POLYMORPHIC FORM OF A CAMPTOTHECIN ANALOGUE
    Publication number: 20070105885
    Abstract: The invention relates to a novel crystalline form of topotecan hydrochloride, and methods of making the same. The characteristic XRPD pattern and FT-IT patterns are shown in FIGS. 1 and 2.
    Type: Application
    Filed: October 10, 2006
    Publication date: May 10, 2007
    Applicant: Cipla Limited
    Inventors: Srinivas Pathi, Shashi Kanathala, Manish Gangrade, Rajendra Kankan, Dharmaraj Rao