Patents by Inventor Navin Satyapal SAXENA

Navin Satyapal SAXENA 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).

  • NOVEL PROCESS FOR THE SYNTHESIS OF NOROXYMORPHONE FROM MORPHINE
    Publication number: 20230357257
    Abstract: The present invention relates to a novel, efficient, pot- and atom-economical, and industrially applicable process for converting morphine to noroxymorphone using reagents and solvents of lesser toxicity and lower cost with respect to those used in the prior art.
    Type: Application
    Filed: June 27, 2023
    Publication date: November 9, 2023
    Inventors: Dmitry Gorbachev, Hon Wai Lam, Aakarsh Saxena, Navin Satyapal Saxena
  • 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
  • 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