Patents by Inventor Tushar Nandkumar DESPANDE

Tushar Nandkumar DESPANDE 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 preparation of tetrabenazine and deutetrabenazine
    Patent number: 10479787
    Abstract: The present invention provides process for preparation of dihydroxy benzoquinoline compound (III) comprising reacting dihydroxy isoquinoline compound (IV) or a salt thereof with (2-acetyl-4-methyl-pentyl)-trimethyl-ammonium iodide (V) and further converting it to tetrabenazine (I) and deutetrabenazine (II).
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: November 19, 2019
    Assignee: Lupin Limited
    Inventors: Tushar Nandkumar Despande, Dnyaneshwar Tukaram Singare, Yogesh Dadaji Pawar, Yuvraj Atmaram Chavan, Purna Chandra Ray, Girij Pal Singh
  • NOVEL PROCESS FOR PREPARATION OF TETRABENAZINE AND DEUTETRABENAZINE
    Publication number: 20190135803
    Abstract: The present invention provides process for preparation of dihydroxy benzoquinoline compound (III) comprising reacting dihydroxy isoquinoline compound (IV) or a salt thereof with (2-acetyl-4-methyl-pentyl)-trimethyl-ammonium iodide (V) and further converting it to tetrabenazine (I) and deutetrabenazine (II).
    Type: Application
    Filed: April 12, 2017
    Publication date: May 9, 2019
    Applicant: Lupin Limited
    Inventors: Tushar Nandkumar DESPANDE, Dnyaneshwar Tukaram SINGARE, Yogesh Dadaji PAWAR, Yuvraj Atmaram CHAVAN, Purna Chandra RAY, Girij Pal SINGH