Patents Assigned to Rusan Pharma Limited
  • Implantable Naltrexone tablets
    Patent number: 10507184
    Abstract: The invention discloses naltrexone implantable tablets which are devoid of metal salts and corticosteroids, and which provide consistent and controlled amount of naltrexone for 3 months or more; also disclosed is methods of treatment comprising the implants and methods of sterilization of the implants.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: December 17, 2019
    Assignee: RUSAN PHARMA LIMITED
    Inventors: Navin Saxena, Kunal 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