Patents by Inventor Rushikesh Udaykumar Roy

Rushikesh Udaykumar Roy 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).

  • Polymorphic forms of O-desmethyl-venlafaxine succinate
    Patent number: 8933123
    Abstract: The present invention discloses polymorphic forms of O-desmethyl-venlafaxine succinate and processes for the preparation thereof.
    Type: Grant
    Filed: October 4, 2011
    Date of Patent: January 13, 2015
    Assignee: Cadila Healthcare Limited
    Inventors: Shriprakash Dhar Dwivedi, Ashok Prasad, Rushikesh Udaykumar Roy
  • SUBSTANTIALLY PURE SALTS OF FEBUXOSTAT AND PROCESSES FOR PREPARATION THEREOF
    Publication number: 20130190366
    Abstract: Substantially pure salts of febuxostat of Formula (IA): wherein Y is Na+, K+, Li+, Mg2+, Ca2+, Zn2+, Ba2+, Sr2+, choline, epolamine and N+(R)4 and processes for preparation thereof are disclosed.
    Type: Application
    Filed: February 18, 2011
    Publication date: July 25, 2013
    Applicant: CADILA HEALTHCARE LIMITED
    Inventors: Shriprakash Dhar Dwivedi, Ashok Prasad, Rushikesh Udaykumar Roy, Mayur Ramnikbhai Patel
  • POLYMORPHIC FORMS OF O-DESMETHYL-VENLAFAXINE SUCCINATE
    Publication number: 20120264828
    Abstract: The present invention discloses polymorphic forms of O-desmethyl-venlafaxine succinate and processes for the preparation thereof.
    Type: Application
    Filed: October 4, 2011
    Publication date: October 18, 2012
    Inventors: Shriprakash Dhar DWIVEDI, Ashok Prasad, Rushikesh Udaykumar Roy