Patents by Inventor Uppala Venkata Bhaskar Rao

Uppala Venkata Bhaskar Rao 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 PREPARATION OF 5-(2-(4-(1,2-BENZISOTHIAZOL-3-YL)-1-PIPERAZINYL) ETHYL)-6-CHLORO-1, 3-DIHYDRO-2H-INDOL-2-ONE HYDROCHLORIDE (ZIPRASIDONE HYDROCHLORIDE) AND ITS INTERMEDIATE
    Publication number: 20090047354
    Abstract: The present invention relates to improved processes for the preparation of 5-(2-(4-(1,2-benzisothiazol-3-yl)-1-piperazinyl)ethyl)-6-chloro-1,3-dihydro-2H-indol-2-one and its hydrochloride, which is known as Ziprasidone hydrochloride of Formula (I) and 5-(2-Chloro acetyl)-6-chloro oxindole of Formula (IV), which is an intermediate for the preparation of 5-(2-chloro ethyl)-6-chloro oxindole of Formula (V). Ziprasidone hydrochloride of Formula (I) of the present invention is depicted by the following structure.
    Type: Application
    Filed: April 24, 2008
    Publication date: February 19, 2009
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Sundaram Venkatraman, Srinivasan Thirumalai Rajan, Sharat Pandurang Narsapur, Manoj Ramesh Kharkar, Surya Narayana Devarkonda, Yarraguntla Sesha Reddy, Rangineni Srinivasulu, Deepak K. Shukla, Pushkar B. Lakhekar, Uppala Venkata Bhaskar Rao, Mummadi Venkatesh