Patents by Inventor Mummadi Venkatesh

Mummadi Venkatesh 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).

  • Intermediate and polymorphs of 1-(4-methoxypheny1)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetra hydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide and process thereof
    Patent number: 9718779
    Abstract: The present invention provides a novel intermediate as well as novel polymorphs of 1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide compound represented by the following structural formula-1 and processes for their preparation.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: August 1, 2017
    Assignee: MSN Laboratories Limited
    Inventors: Srinivasan Thirumalai Rajan, Sajja Eswaraiah, Mummadi Venkatesh
  • Novel intermediate and polymorphs of 1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetra hydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide and process thereof
    Publication number: 20150353541
    Abstract: The present invention provides a novel intermediate as well as novel polymorphs of 1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxopiperidin-1-yl)phenyl]-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide compound represented by the following structural formula-1 and processes for their preparation.
    Type: Application
    Filed: January 8, 2014
    Publication date: December 10, 2015
    Inventors: Srinivasan THIRUMALAI RAJAN, Sajja ESWARAIAH, Mummadi VENKATESH
  • Polymorphic forms of ziprasidone and its hydrochloride salt and process for preparation thereof
    Patent number: 7790886
    Abstract: The present invention is related to crystalline forms of ziprasidone and its hydrochloride salt and an amorphous form of ziprasidone hydrochloride and the process for the preparation thereof. The crystalline forms and amorphous form of the invention are suitable for pharmaceutical purposes in the treatment of psychosis. The processes of the invention are simple, non-hazardous and commercially suitable.
    Type: Grant
    Filed: January 5, 2009
    Date of Patent: September 7, 2010
    Assignees: Dr. Reddy's Laboratories, Inc., Dr. Reddy's Laboratories Limited
    Inventors: Manne Satyanarayana Reddy, Thirumalai Rajan Srinivasan, Venka Bhaskara Rao Uppala, Mummadi Venkatesh, Akundi Surya Prabhakar
  • POLYMORPHIC FORMS OF ZIPRASIDONEAND ITS HYDROCHLORIDE SALT AND PROCESS FOR PREPARATION THEREOF
    Publication number: 20090137605
    Abstract: The present invention is related to crystalline forms of ziprasidone and its hydrochloride salt and an amorphous form of ziprasidone hydrochloride and the process for the preparation thereof. The crystalline forms and amorphous form of the invention are suitable for pharmaceutical purposes in the treatment of psychosis. The processes of the invention are simple, non-hazardous and commercially suitable.
    Type: Application
    Filed: January 5, 2009
    Publication date: May 28, 2009
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Thirumalai Rajan Srinivasan, Venka Bhaskara Rao Uppala, Mummadi Venkatesh, Akundi Surya Prabhakar
  • 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
  • Polymorphic forms of ziprasidone and its hydrochloride salt and process for preparation thereof
    Patent number: 7488729
    Abstract: The present invention is related to crystalline forms of ziprasidone and its hydrochloride salt and an amorphous form of ziprasidone hydrochloride and the process for the preparation thereof. The crystalline forms and amorphous form of the invention are suitable for pharmaceutical purposes in the treatment of psychosis. The processes of the invention are simple, non-hazardous and commercially suitable.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: February 10, 2009
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Manne Satyanarayana Reddy, Thirumalai Rajan Srinivasan, Venka Bhaskara Rao Uppala, Mummadi Venkatesh, Akundi Surya Prabhakar
  • Process for the preparation of 5-(2-(4-(1,2-benzisothiazol-3-yl)-1piperazinyl) ethyl)-6-chloro-1, 3-dihydro-2h-indol-2-one hydrochloride (ziprasidone hydrochloride) and its intermediate
    Publication number: 20050049295
    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: June 14, 2004
    Publication date: March 3, 2005
    Inventors: Manne Reddy, Sundaram Venkatraman, Srinivasan Rajan, Sharat Narsapur, Manoj Kharkar, Surya Devarkonda, Yarraguntla Reddy, Rangineni Srinivasulu, Deepak Shukla, Pushkar Lakhekar, Uppala Rao, Mummadi Venkatesh
  • Polymorphic forms of ziprasidone and its hydrochloride salt and process for preparation thereof
    Publication number: 20040152711
    Abstract: The present invention is related to crystalline forms of ziprasidone and its hydrochloride salt and an amorphous form of ziprasidone hydrochloride and the process for the preparation thereof. The crystalline forms and amorphous form of the invention are suitable for pharmaceutical purposes in the treatment of psychosis. The processes of the invention are simple, non-hazardous and commercially suitable.
    Type: Application
    Filed: December 4, 2003
    Publication date: August 5, 2004
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Thirumalai Rajan Srinivasan, Venka Bhaskara Rao Uppala, Mummadi Venkatesh, Akundi Surya Prabhakar