Patents by Inventor Prabhakar Divya

Prabhakar Divya 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 high pure Eribulin and its Mesylate salt
    Patent number: 12522611
    Abstract: The present invention relates to a process for the preparation of high pure Eribulin and Eribulin Mesylate. The present invention involves preparation of high pure Eribulin and its mesylate salt involving chiral acid addition salts of Eribulin.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: January 13, 2026
    Assignee: Natco Pharma Limited
    Inventors: Prabhakar Divya, Srinivasu Kasa, Durga Prasad Konakanchi, Ramesh Dandala, Pulla Reddy Muddasani, Venkaiah Chowdary Nannapaneni
  • PROCESS FOR THE PREPARATION OF HIGH PURE ERIBULIN AND ITS MESYLATE SALT
    Publication number: 20220089607
    Abstract: The present invention relates to a process for the preparation of high pure Eribulin and Eribulin Mesylate. The present invention involves preparation of high pure Eribulin and its mesylate salt involving chiral acid addition salts of Eribulin.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 24, 2022
    Inventors: Prabhakar DIVYA, Srinivasu KASA, Durga Prasad KONAKANCHI, Ramesh DANDALA, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • Intermediates for the preparation of HMG-CoA reductase inhibitors
    Patent number: 8536330
    Abstract: The present invention provides a process for preparing novel intermediates of Formula wherein, R1 can be hydrogen, C1-C4 alkyl, halogen, nitro, hydroxy, or C1-C4 alkoxy; Rx can be selected from hydrophobic residue of HMG-CoA reductase inhibitors; which can be effectively used for the preparation of HMG-CoA reductase inhibitors such as rosuvastatin and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: September 17, 2013
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Vishwesh Pravinchandra Pandya, Santosh Richhariya, Prabhakar Divya, Hashim Nizar Poovanathil Nagoor Meeran, Neera Tewari
  • NOVEL INTERMEDIATES FOR THE PREPARATION OF HMG-CoA REDUCTASE INHIBITORS
    Publication number: 20130150579
    Abstract: The present invention provides a process for preparing novel intermediates of Formula wherein, R1 can be hydrogen, C1-C4 alkyl, halogen, nitro, hydroxy, or C1-C4 alkoxy; Rx can be selected from hydrophobic residue of HMG-CoA reductase inhibitors; which can be effectively used for the preparation of HMG-CoA reductase inhibitors such as rosuvastatin and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: April 21, 2011
    Publication date: June 13, 2013
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Vishwesh Pravinchandra Pandya, Santosh Richhariya, Prabhakar Divya, Hashim Nizar Poovanathil Nagoor Meeran, Neera Tewari