Patents by Inventor Rajasekhar Kadaboina

Rajasekhar Kadaboina 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 Dalteparin sodium
    Patent number: 11492421
    Abstract: The present invention provides an improved process for the preparation of Dalteparin sodium. The process is simple, commercially viable and industrially advantageous.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: November 8, 2022
    Inventors: Vamsee Krishna Chintakunta, Manohar Sarma Vedula, Narender Dev Mantena, Rajasekhar Kadaboina
  • IMPROVED PROCESS FOR THE PREPARATION OF DALTEPARIN SODIUM
    Publication number: 20210040239
    Abstract: The present invention provides an improved process for the preparation of Dalteparin sodium. The process is simple, commercially viable and industrially advantageous.
    Type: Application
    Filed: February 14, 2019
    Publication date: February 11, 2021
    Inventors: Vamsee Krishna Chintakunta, Manohar Sarma Vedula, Narender Dev Mantena, Rajasekhar Kadaboina
  • PREPARATION OF LENALIDOMIDE
    Publication number: 20160194301
    Abstract: Processes for the preparation of substantially pure lenalidomide. The application also relates to an enriched, substantially pure, and pure amorphous form of lenalidomide and solid dispersions containing amorphous lenalidomide.
    Type: Application
    Filed: March 14, 2016
    Publication date: July 7, 2016
    Inventors: Surya Narayana DEVARAKONDA, Sesha Reddy YARRAGUNTLA, Vamsi Krishna MUDAPAKA, Rajasekhar KADABOINA, Veerender MURKI, Amarendhar MANDA, Venkata Rao BADISA, Naresh VEMULA, Rama Seshagiri Rao PULLA, Venu NALIVELA
  • Preparation of bendamustine and its salts
    Patent number: 9376394
    Abstract: The present application relate to processes for the preparation of bendamustine and its pharmaceutically acceptable salts.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: June 28, 2016
    Assignees: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Rajasekhar Kadaboina, Veerender Murki, Venkat Rao Badisa, Nageshwar Gunda
  • PROCESS FOR THE PREPARATION OF IMATINIB MESYLATE
    Publication number: 20130203990
    Abstract: The present application relates to process for the preparation of imatinib mesylate. This application also relates to the processes for preparation of alpha crystalline form of imatinib mesylate.
    Type: Application
    Filed: July 28, 2011
    Publication date: August 8, 2013
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Rajasekhar Kadaboina, Munaswamy Sekhar Nariyam, Raghupati Rama Subrahmanyam Vinjamuri, Shravan Kumar Komati, Srinivas Benda, Ramaseshagiri Rao Pulla, Dharma Jagannadha Rao Velaga
  • LENALIDOMIDE SOLVATES AND PROCESSES
    Publication number: 20130172563
    Abstract: The present application relates to lenalidomide salts and solvates, and processes for the preparation thereof.
    Type: Application
    Filed: August 10, 2012
    Publication date: July 4, 2013
    Applicants: Dr. Reddy's Laboratories, Inc., Dr. Reddy's Laboratories Ltd.
    Inventors: Srinivasulu Rangineni, Nagakiran Duggirala, Vamsi Krishna Mudapaka, Rajasekhar Kadaboina, Veerender Murki, Amarendhar Manda, Venkata Rao Badisa, Naresh Vemula, Rama Seshagiri Rao Pulla
  • PROCESSES FOR PREPARING PEMETREXED
    Publication number: 20130165654
    Abstract: The present invention relates to pemetrexed disodium substantially free from specific process-related impurities, and processes for the preparation thereof.
    Type: Application
    Filed: February 13, 2012
    Publication date: June 27, 2013
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Veerender Murki, Amarendhar Manda, Raghupati Rama Vinjamuri, Nageshwar Gunda
  • PREPARATION OF BENDAMUSTINE AND ITS SALTS
    Publication number: 20130158273
    Abstract: The present application relate to processes for the preparation of bendamustine and its pharmaceutically acceptable salts.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 20, 2013
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES, LTD.
    Inventors: Rajasekhar Kadaboina, Veerender Murki, Venkat Rao Badisa, Nageshwar Gunda
  • PREPARATION OF DOCETAXEL
    Publication number: 20110275841
    Abstract: The present invention relates to docetaxel and processes for preparing docetaxel, including process-related intermediates. The present invention also relates to processes for preparing substantially pure docetaxel and intermediates.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 10, 2011
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Lankeshwara Rao Matti, Sridhar Vasam, Siva Reddy Makireddy, Shravan Kumar Komati
  • LENALIDOMIDE SOLVATES AND PROCESSES
    Publication number: 20110237802
    Abstract: The present application relates to lenalidomide salts and solvates, and processes for the preparation thereof.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 29, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Srinivasulu Rangineni, Nagakiran Duggirala, Vamsi Krishna Mudapaka, Rajasekhar Kadaboina, Veerender Murki, Amarendhar Manda, Venkata Rao Badisa, Naresh Vemula, Rama Seshagiri Rao Pulla
  • PREPARATION OF CAPECITABINE
    Publication number: 20110224422
    Abstract: The present invention relates to substantially pure capecitabine and processes for the preparation thereof.
    Type: Application
    Filed: May 25, 2011
    Publication date: September 15, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Veerender Murki, Raghupati Rama Vinjamuri, Srinivas Benda, Shravan Kumar Komati, Nageshwar Gunda
  • AMORPHOUS PEMETREXED DISODIUM
    Publication number: 20110196154
    Abstract: Processes for the preparation of amorphous pemetrexed disodium, and removal of residual solvents from amorphous pemetrexed disodium.
    Type: Application
    Filed: March 8, 2011
    Publication date: August 11, 2011
    Applicants: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Srividya Ramakrishnan, Subbareddy Peddireddy, Mohammed Azeezulla Baig, Nagakiran Duggirala
  • PREPARATION OF LENALIDOMIDE
    Publication number: 20110021567
    Abstract: Processes for the preparation of substantially pure lenalidomide. The application also relates to an enriched, substantially pure, and pure amorphous form of lenalidomide and solid dispersions containing amorphous lenalidomide.
    Type: Application
    Filed: March 11, 2009
    Publication date: January 27, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Surya Narayana Devarakonda, Sesha Reddy Yarraguntla, Vamsi Krishna Mudapaka, Rajasekhar Kadaboina, Veerender Murki, Amarendhar Manda, Venkata Rao Badisa, Naresh Vemula, Rama Seshagiri Rao Pulla, Venu Nalivela
  • BORTEZOMIB AND PROCESS FOR PRODUCING SAME
    Publication number: 20100226597
    Abstract: The present application provides a process for the preparation of Bortezomib, its intermediates and process for crystalline forms of Bortezomib.
    Type: Application
    Filed: September 12, 2008
    Publication date: September 9, 2010
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghavendracharyulu Venkata Palle, Rajasekhar Kadaboina, Veerendeer Murki, Amarendhar Manda, Nageshwar Gunda, Ramaseshagiri Rao Pulla, Mallesha Hanmanthu, Narasimha Naidu Mopidevi, Suresh Kumar Ramdoss
  • O-DESMETHYLVENLAFAXINE
    Publication number: 20100210719
    Abstract: Processes for preparing desvenlafaxine and stable amorphous O-desmethylvenlafaxine succinate solid dispersions with one or more pharmaceutically acceptable carriers.
    Type: Application
    Filed: July 10, 2008
    Publication date: August 19, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Surya Narayana Devarakonda, Sesha Reddy Yarraguntla, Venu Nalivela, Ram Thaimattam, Subbareddy Peddireddy, Balaji Raghupati, Mohammed Azeezulla Baig, Srinivas Reddy Gade, Srinivas Reddy Mallepalli, Vijaywardhan Chitta, Satyanarayana Bollikonda, Saravanan Mohanarangam, Rajasekhar Kadaboina
  • DOCETAXEL PROCESS AND POLYMORPHS
    Publication number: 20100197944
    Abstract: Processes for preparing substantially pure docetaxel, new crystalline forms of docetaxel and processes for preparation thereof, processes for preparing docetaxel trihydrate, and pharmaceutical compositions comprising docetaxel.
    Type: Application
    Filed: July 3, 2008
    Publication date: August 5, 2010
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghavendracharyulu Venkata Palle, Sekhar Munaswamy Nariyam, Rajasekhar Kadaboina, Lankeshwararao Matti, Sridhar Vasam, Shravan Kumar Komati, Siva Reddy Makireddy
  • PROCESS FOR PREPARING CAPECITABINE
    Publication number: 20100130734
    Abstract: There is provided processes for the preparation of capecitabine and intermediates thereof.
    Type: Application
    Filed: April 17, 2008
    Publication date: May 27, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghavendracharyulu Venkata Palle, Anant Madhavrao Marathe, Srinivas Aluru, Ramesh Bochha, Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Anil Patri
  • Process for the preparation of monoketals of 1,4-cyclohexanedione including 1, 4-cyclohexanedione mono-2,2-dimethyl trimethylene ketal
    Patent number: 7049448
    Abstract: There is provided a process for preparation of a monoketal compound of the structure that includes reacting 1,4-cyclohexanedione of the structure with a diol of the structure in a halogenated organic solvent in the presence of an acid catalyst, wherein X is a substituted or unsubstituted ethylene or propylene. Various embodiments and variants are provided.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: May 23, 2006
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Buchi Reddy Reguri, Rajasekhar Kadaboina, Srinivas Reddy Gade, Babu Ireni
  • Process for the preparation of phenethylamine derivative, an intermediate of Venlafaxine hydrochloride
    Publication number: 20050033088
    Abstract: The present invention relates to an improved process for the preparation of phenethylamine derivatives or salts by hydrogenation of phenylacetonitriles in the presence of heterogeneous palladium on carbon catalyst.
    Type: Application
    Filed: June 7, 2004
    Publication date: February 10, 2005
    Inventors: Buchi Reguri, Rajasekhar Kadaboina, Srinivas Gade, Babu Ireni
  • Process for the preparation of monoketals of 1,4-cyclohexanedione including 1, 4-cyclohexanedione mono-2,2-dimethyl trimethylene ketal
    Publication number: 20040230063
    Abstract: There is provided a process for preparation of a monoketal compound of the structure 1
    Type: Application
    Filed: September 15, 2003
    Publication date: November 18, 2004
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Buchi Reddy Reguri, Rajasekhar Kadaboina, Srinivas Reddy Gade, Babu I. Ireni