Patents by Inventor Kaushik Babubhai Sata

Kaushik Babubhai Sata 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).

  • Industrial process for the preparation of buprenorphine and its intermediates
    Patent number: 8981097
    Abstract: There is provided an efficient industrial process for the preparation of 21-cyclopropyl-7?-(2-hydroxy-3,3-dimethyl-2-butyl)-6,14-endo-ethano-6,7,8,14-tetrahydro-oripavine, i.e. buprenorphine of Formula-I in high yield and purity, with enhanced safety and eco-friendly norms. The invention further relates to an improved process for preparation of intermediates thereof in high yield and purity.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: March 17, 2015
    Assignee: Rusan Pharma Limited
    Inventors: Navin Satyapal Saxena, Kunal Saxena, Kaushik Babubhai Sata
  • Process for the preparation of ambrisentan and novel intermediates thereof
    Patent number: 8962832
    Abstract: The invention relates to improved processes for the preparation of ambrisentan. The invention also relates to a novel intermediate useful in the preparation of ambrisentan and a process for the preparation of the intermediate. The invention also relates to new polymorphic form of ambrisentan. In particular, it relates to a polymorphic form, designated as Form I of ambrisentan and a process for the preparation of the Form I.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: February 24, 2015
    Assignee: Cadila Healthcare Limited
    Inventors: Kaushik Babubhai Sata, Bipin Pandey
  • INDUSTRIAL PROCESS FOR THE PREPARATION OF BUPRENORPHINE AND ITS INTERMEDIATES
    Publication number: 20140364612
    Abstract: There is provided an efficient industrial process for the preparation of 21-cyclopropyl-7?-(2-hydroxy-3,3-dimethyl-2-butyl)-6,14-endo-ethano-6,7,8,14-tetrahydro-oripavine, i.e. buprenorphine of Formula-I in high yield and purity, with enhanced safety and eco-friendly norms. The invention further relates to an improved process for preparation of intermediates thereof in high yield and purity.
    Type: Application
    Filed: June 11, 2014
    Publication date: December 11, 2014
    Inventors: Navin Satyapal SAXENA, Kunal SAXENA, Kaushik Babubhai SATA
  • PROCESS FOR THE PREPARATION OF AMBRISENTAN AND NOVEL INTERMEDIATES THEREOF
    Publication number: 20120184573
    Abstract: The invention relates to improved processes for the preparation of ambrisentan. The invention also relates to a novel intermediate useful in the preparation of ambrisentan and a process for the preparation of the intermediate. The invention also relates to new polymorphic form of ambrisentan. In particular, it relates to a polymorphic form, designated as Form I of ambrisentan and a process for the preparation of the Form I.
    Type: Application
    Filed: July 12, 2010
    Publication date: July 19, 2012
    Inventors: Kaushik Babubhai Sata, Bipin Pandey