Patents by Inventor Swapnil Sudhakar DESHMUKH

Swapnil Sudhakar DESHMUKH 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 THE PREPARATION OF LEDIPASVIR AND INTERMEDIATES THEREOF
    Publication number: 20190062332
    Abstract: The present invention relates to process for preparation of ledipasvir of formula 1 and its novel intermediates. The process involves reaction of compound of formula 2 with compound of formula 3 to yield a compound of formula 4, deprotection of compound of formula 4 to yield compound of formula 5 and conversion of compound of formula 5 to Ledipasvir wherein PG is an amine protecting group provided that amino protecting group is not carbomethyloxy (—COOCH3) group; X and Y are leaving groups.
    Type: Application
    Filed: January 28, 2017
    Publication date: February 28, 2019
    Inventors: Swapnil Sudhakar Deshmukh, Manoj Kunjabihari Agrawal, Adinath Murlidhar Jain, Himanshu Madhav Godbole, Girij Pal Singh
  • Process for preparation of levothyroxine and salts thereof
    Patent number: 9932295
    Abstract: The present invention relates to a process for the preparation of Levothyroxine and salts thereof. The process described in the present invention provides increase in the yields and purity comprising the use of sodium iodide and sodium hypochlorite as iodinating agent.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: April 3, 2018
    Assignee: LUPIN LIMITED
    Inventors: Swapnil Sudhakar Deshmukh, Adinath Murlidhar Jain, Himanshu Madhav Godbole, Girij Pal Singh, Dinesh Dnyaneshwar Dixit
  • A PROCESS FOR PREPARATION OF LEVOTHYROXINE AND SALTS THEREOF
    Publication number: 20170183292
    Abstract: The present invention relates to a process for the preparation of Levothyroxine and salts thereof. The process described in the present invention provides increase in the yields and purity comprising the use of sodium iodide and sodium hypochlorite as iodinating agent.
    Type: Application
    Filed: March 30, 2015
    Publication date: June 29, 2017
    Inventors: Swapnil Sudhakar DESHMUKH, Adinath Murlidhar JAIN, Himanshu Madhav GODBOLE, Girij Pal SINGH, Dinesh Dnyaneshwar DIXIT