Patents by Inventor Saisuryanaraya DONTHUKURTHI

Saisuryanaraya DONTHUKURTHI 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).

  • Polymorph of Riociguat and its process for the preparation
    Patent number: 10414766
    Abstract: The present invention relates to novel polymorph of riociguat and process for preparing the polymorph. The present invention also relates to the improved process for the preparation of riociguat.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: September 17, 2019
    Assignee: ALEMBIC PHARMACEUTICALS LIMITED
    Inventors: Mahender Rao Siripragada, Mahendar Velisoju, Tejas Shah, Chetan Patil, Kalpesh Jadav, Ashvinkumar Bhuva, Saisuryanaraya Donthukurthi
  • NOVEL POLYMORPH OF RIOCIGUAT AND ITS PROCESS FOR THE PREPARATION
    Publication number: 20190002461
    Abstract: The present invention relates to novel polymorph of riociguat and process for preparing the polymorph. The present invention also relates to the improved process for the preparation of riociguat.
    Type: Application
    Filed: December 12, 2016
    Publication date: January 3, 2019
    Inventors: Mahender Rao SIRIPRAGADA, Mahendar VELISOJU, Tejas SHAH, Chetan PATIL, Kalpesh JADAV, Ashvinkumar BHUVA, Saisuryanaraya DONTHUKURTHI