Patents by Inventor Ganpat Dan Shimbhu CHARAN

Ganpat Dan Shimbhu CHARAN 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).

  • Patent number: 10807965
    Abstract: The present invention relates to a process for the preparation of apalutamide. In particular, the present invention relates to a process for the preparation of apalutamide and its intermediates. The present invention also relates to pharmaceutical compositions comprising apalutamide.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: October 20, 2020
    Assignee: CADILA HEALTHCARE LIMITED
    Inventors: Kumar Kamlesh Singh, Nikhil Amar Singh, Ganpat Dan Shimbhu Charan, Nimeshkumar Mukeshkumar Shah
  • Publication number: 20200071287
    Abstract: The present invention relates to a process for the preparation of apalutamide. In particular, the present invention relates to a process for the preparation of apalutamide and its intermediates. The present invention also relates to pharmaceutical compositions comprising apalutamide.
    Type: Application
    Filed: March 27, 2019
    Publication date: March 5, 2020
    Applicant: CADILA HEALTHCARE LIMITED
    Inventors: Kumar Kamlesh SINGH, Nikhil Amar SINGH, Ganpat Dan Shimbhu CHARAN, Nimeshkumar Mukeshkumar SHAH
  • Publication number: 20200024250
    Abstract: The present invention relates to a process for the preparation of apalutamide. In particular, the present invention relates to a process for the preparation of apalutamide and its intermediates. The present invention also relates to pharmaceutical compositions comprising apalutamide.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Applicant: CADILA HEALTHCARE LIMITED
    Inventors: Kumar Kamlesh SINGH, Nikhil Amar SINGH, Ganpat Dan Shimbhu CHARAN, Nimeshkumar Mukeshkumar SHAH
  • Publication number: 20170158643
    Abstract: The present invention provides an isopropanol solvate of enzalutamide. The present invention also provides a process for the preparation of androgen receptor antagonist. In particular, the present invention provides a process for the preparation of enzalutamide or its pharmaceutically acceptable salts, hydrates, solvates, polymorphs or intermediates thereof.
    Type: Application
    Filed: February 23, 2017
    Publication date: June 8, 2017
    Inventors: Shri Prakash Dhar Dwivedi, Kumar Kamlesh Singh, Ganpat Dan Shimbhu Charan
  • Patent number: 9611225
    Abstract: The present invention provides an isopropanol solvate of enzalutamide. The present invention also provides a process for the preparation of androgen receptor antagonist. In particular, the present invention provides a process for the preparation of enzalutamide or its pharmaceutically acceptable salts, hydrates, solvates, polymorphs or intermediates thereof.
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: April 4, 2017
    Assignee: Cadila Healthcare Limited
    Inventors: Shri Prakash Dhar Dwivedi, Kumar Kamlesh Singh, Ganpat Dan Shimbhu Charan
  • Publication number: 20140073804
    Abstract: The present invention provides a process for preparing 5-(acetylamino)-4-[(aminoiminomethyl)amino]-2,6-anhydro-3,4,5-trideoxy-D-glycero-D-galacto-non-enonic acid Formula (I), which process comprises reducing compound of Formula (IV) by Lindlar catalyst in presence of hydrogen to obtain compound of Formula (V). reacting compound of Formula (V) with pyrazole-1H-carboxamidine or its suitable salt to obtain compound of Formula (VIII). hydrolyzing the compound of Formula (VIII) to give compound of Formula (I). The present invention also provides compounds of formula (VIII) which may be used in the synthesis of zanamivir. The present invention also provides process for preparing compound of formula (VIII) and process involving the use of Formula (VIII), including in the synthesis of zanamivir.
    Type: Application
    Filed: June 13, 2011
    Publication date: March 13, 2014
    Inventors: Ganpat Dan Shimbhu Charan, Ajay Onkarsingh Tehare, Kumar Kemlesh Laxmi Singh
  • Patent number: 8546573
    Abstract: The present invention relates to process for the preparation of 7-ethyl-10-[4-(1-piperidino)-1-piperidino]carbonyloxy-camptothecin hydrochloride trihydrate and process for the isolation of 1-chlorocarbonyl-4-piperidinopiperidine and novel crystalline form of 1-chlorocarbonyl-4-piperidinopiperidine and 7-ethyl-10-[4-(1-piperidino)-1-piperidino]carbonyloxy-camptothecin.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: October 1, 2013
    Assignee: Cadila Healthcare Limited
    Inventors: Ganpat Dan Shimbhu Charan, Arun Ankush Tanpure, Kumar Kamlesh Laxmi Singh
  • Publication number: 20110144342
    Abstract: The present invention relates to process for the preparation of 7-ethyl-10-[4-(1-piperidino)-1-piperidino]carbonyloxy-camptothecin hydrochloride trihydrate and process for the isolation of 1-chlorocarbonyl-4-piperidinopiperidine and novel crystalline form of 1-chlorocarbonyl-4-piperidinopiperidine and 7-ethyl-10-[4-(1-piperidino)-1-piperidino]carbonyloxy-camptothecin.
    Type: Application
    Filed: November 10, 2010
    Publication date: June 16, 2011
    Inventors: Ganpat Dan Shimbhu CHARAN, Arun Ankush Tanpure, Kumar Kamlesh Laxmi Singh