Patents by Inventor Devendrakumar Paramsukh VARMA

Devendrakumar Paramsukh VARMA 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 Efinaconazole
    Patent number: 10479776
    Abstract: The present invention provides an improved process for the preparation of Efinaconazole in higher yield by the ring-opening addition reaction of epoxytriazole with 4-methylenepiperidine or its acid addition salt under mild conditions without using a large excess of 4-methylenepiperidine in the presence of an alkali or an alkaline earth metal halide.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: November 19, 2019
    Assignee: LUPIN LIMITED
    Inventors: Sachin Arun Sasane, Devendrakumar Paramsukh Varma, Rajesh Harishankar Vyas, Nandu Baban Bhise, Girij Pal Singh, Krishnat Hanmant Kumbhar
  • PROCESS FOR THE PREPARATION OF EFINACONAZOLE
    Publication number: 20180118714
    Abstract: The present invention provides an improved process for the preparation of Efinaconazole in higher yield by the ring-opening addition reaction of epoxytriazole with 4-methylenepiperidine or its acid addition salt under mild conditions without using a large excess of 4-methylenepiperidine in the presence of an alkali or an alkaline earth metal halide.
    Type: Application
    Filed: May 10, 2016
    Publication date: May 3, 2018
    Inventors: Sachin Arun SASANE, Devendrakumar Paramsukh VARMA, Rajesh Harishankar VYAS, Nandu Baban BHISE, Girij Pal SINGH, Krishnat Hanmant KUMBHAR