Patents by Inventor Vishwesh Pravinchandra Pandya

Vishwesh Pravinchandra Pandya 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 POLYMORPHS OF DORIPENEM
    Publication number: 20150291591
    Abstract: The present invention relates to a process for the preparation of polymorphs of doripenem.
    Type: Application
    Filed: November 5, 2012
    Publication date: October 15, 2015
    Inventors: Durga Shankar, Vishwesh Pravinchandra Pandya, Hashim Nizar Poovanathil Nagoor Meeran, Shailendra Kumar Singh, Mohan Prasad, Sudershan Kumar Arora
  • 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
  • CRYSTALLINE FORM I OF LAMIVUDINE AND ITS PREPARATION
    Publication number: 20100324290
    Abstract: The present invention relates to a stable crystalline Form I of lamivudine. The present invention further relates to a process for the preparation of the stable crystalline Form (I) of the stable crystalline Form (I) of lamivudine.
    Type: Application
    Filed: April 30, 2008
    Publication date: December 23, 2010
    Applicant: RANBAXY LABORATORIES LIMITED
    Inventors: Sayeed Mukhtar, Vishwesh Pravinchandra Pandya, Shivanand Shrishailacpa Kokatnur