Patents by Inventor Subhash Kusumba

Subhash Kusumba 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 amorphous idelalisib
    Patent number: 10870650
    Abstract: The present invention relates to a process for the preparation of stable and 5 pure amorphous form of Idelalisib. Further, the present process is simple, more economical, cost effective and efficient method of manufacturing that is suitable for industrial scale-up having a high degree of chromatographic purity.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: December 22, 2020
    Assignee: NATCO PHARMA LIMITED
    Inventors: Amala Kompella, Sreenivas Rachakonda, Venugopala Krishna Gampa, Subhash Kusumba, Durga Prasad Konakanchi, Pulla Reddy Muddasani, Venkaiah Chowdary Nannapaneni
  • PROCESS FOR THE PREPARATION OF AMORPHOUS IDELALISIB
    Publication number: 20200095249
    Abstract: The present invention relates to a process for the preparation of stable and 5 pure amorphous form of Idelalisib. Further, the present process is simple, more economical, cost effective and efficient method of manufacturing that is suitable for industrial scale-up having a high degree of chromatographic purity.
    Type: Application
    Filed: April 11, 2018
    Publication date: March 26, 2020
    Inventors: Amala KOMPELLA, Sreenivas RACHAKONDA, Venugopala Krishna GAMPA, Subhash KUSUMBA, Durga Prasad KONAKANCHI, Pulla Reddy MUDDASANI, Venkaiah Chowdary NANNAPANENI
  • PROCESS FOR THE PREPARATION OF BOSENTAN MONOHYDRATE
    Publication number: 20130245259
    Abstract: The invention relates to improved processes for the preparation of bosentan monohydrate which provide higher yield and purity.
    Type: Application
    Filed: March 16, 2012
    Publication date: September 19, 2013
    Applicant: Natco Pharma Limited
    Inventors: Amala Kishan Kompella, Srinivasu Kasa, Veera Swamy Balina, Subhash Kusumba, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni