Patents by Inventor Kumar Sarvesh

Kumar Sarvesh 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 eribulin and intermediates thereof
    Patent number: 11059799
    Abstract: The present application relate to a process for preparation of 4-Methylene tetrahydrofuran compound of formula II, which is useful as an intermediate for the preparation of halichondrin B analogues such as Eribulin.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: July 13, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED.
    Inventors: Sudhir Sai, Debjit Basu, Kumar Sarvesh, Uday Kumar Neelam, Amit Kumar Mandal, Rakeshwar Bandichhor, Vilas Hareshwar Dahanukar
  • Process for preparation of eribulin and intermediates thereof
    Patent number: 10836776
    Abstract: The present application relate to process for preparation of tetrahydrofuran compound of formula II, 4-Methylene tetrahydrofuran compound of formula V and tetrahydropyran compound of formula IX which are useful as intermediates for the preparation of halichondrin B analogues such as Eribulin or its pharmaceutically acceptable salts.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: November 17, 2020
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Kumar Sarvesh, Debjit Basu, Raja gopal Penumandla, Prapulla Kumar Palvai
  • PROCESS FOR PREPARATION OF ERIBULIN AND INTERMEDIATES THEREOF
    Publication number: 20190276470
    Abstract: The present application relate to process for preparation of tetrahydrofuran compound of formula II, 4-Methylene tetrahydrofuran compound of formula V and tetrahydropyran compound of formula IX which are useful as intermediates for the preparation of halichondrin B analogues such as Eribulin or its pharmaceutically acceptable salts.
    Type: Application
    Filed: November 23, 2017
    Publication date: September 12, 2019
    Inventors: Michael Charles LLOYD, Pallavi RAO, Vishnu Vardhana Vema Reddy EDA, Srinivas ORUGANTI, Kumar SARVESH, Debjit BASU, Raja gopal PENUMANDLA, Prapulla Kumar PALVAI, Amit Kumar MANDAL, Vilas Hareshwar DAHANUKAR, Graham Andrew MEEK, Sarah Ann WARREN, Martin Edward FOX, Robert Wen Ming DAVIDSON
  • PROCESS FOR PREPARATION OF ERIBULIN AND INTERMEDIATES THEREOF
    Publication number: 20190177291
    Abstract: The present application relate to a process for preparation of 4-Methylene tetrahydrofuran compound of formula II, which is useful as an intermediate for the preparation of halichondrin B analogues such as Eribulin.
    Type: Application
    Filed: May 25, 2017
    Publication date: June 13, 2019
    Inventors: Sudhir Sai, Debjit Basu, Kumar Sarvesh, Uday Kumar Neelam, Amit Kumar Mandal, Rakeshwar Bandichhor, Vilas Hareshwar Dahanukar