Patents by Inventor Umesh Parasharam Aher

Umesh Parasharam Aher 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 intermediates used for the synthesis of HIV integrase inhibitor
    Patent number: 11248005
    Abstract: Provided herein is a process for the intermediates used for preparation of HIV Integrase Inhibitor such as Bictegravir, Dolutegravir, Cabotegravir or their pharmaceutically acceptable salts.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: February 15, 2022
    Assignee: Lupin Limited
    Inventors: Harishchandra Sambhaji Jadhav, Dhananjai Shrivastava, Umesh Parasharam Aher, Sharad Chandrabhan Deokar, Deepak Babasaheb Nale, Suryakant Tukaram Honrao, Girij Pal Singh
  • Process for Preparation of Intermediates Used for the Synthesis of HIV Integrase Inhibitor
    Publication number: 20210009606
    Abstract: Provided herein is a process for the intermediates used for preparation of HIV Integrase Inhibitor such as Bictegravir, Dolutegravir, Cabotegravir or their pharmaceutically acceptable salts.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 14, 2021
    Inventors: Harishchandra Sambhaji Jadhav, Dhananjai Shrivastava, Umesh Parasharam Aher, Sharad Chandrabhan Deokar, Deepak Babasaheb Nale, Suryakant Tukaram Honrao, Girij Pal Singh
  • STEREOSELECTIVE PROCESS FOR PREPARATION OF 1,3-OXATHIOLANE NUCLEOSIDES
    Publication number: 20130296562
    Abstract: The present invention relates to a stereoselective glycosylation for the preparation of 1,3-oxathiolane nucleoside in high yield and high optical purity. The invention specifically relates to a process of the preparation of Lamivudine and Emtricitabine using zirconium (IV) chloride (ZrCl4) as a catalyst in glycosylation.
    Type: Application
    Filed: January 10, 2012
    Publication date: November 7, 2013
    Applicant: LUPIN LIMITED
    Inventors: Bhairab Nath Roy, Girij Pal Singh, Dhananjai Srivastava, Umesh Parasharam Aher, Sudhakar Uttam Patil