Patents by Inventor Dharmendher Ragidi

Dharmendher Ragidi 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 pomalidomide and its purification
    Patent number: 11111228
    Abstract: The present invention is related to an improved process for the preparation of Pomalidomide with higher yields and high purity. Particularly the present invention relates to form A preparation of Pomalidomide and its purification. wherein the present process doesn't involve use of dioxane solvent and avoids higher temperatures.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: September 7, 2021
    Assignee: Natco Pharma Limited
    Inventors: Durga Prasad Konakanchi, Buchappa Gongalla, Dharmendher Ragidi, Uma Naresh Babu Kotra, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni
  • PROCESS FOR THE PREPARATION OF POMALIDOMIDE AND ITS PURIFICATION
    Publication number: 20190233389
    Abstract: The present invention is related to an improved process for the preparation of Pomalidomide with higher yields and high purity. Particularly the present invention relates to form A preparation of Pomalidomide and its purification, wherein the present process doesn't involve use of dioxane solvent and avoids higher temperatures.
    Type: Application
    Filed: August 22, 2016
    Publication date: August 1, 2019
    Inventors: Durga Prasad Konakanchi, Buchappa Gongalla, Dharmendher Ragidi, Uma Naresh Babu Kotra, Kali Satya Bhujanga Rao Adibhatla, Venkaiah Chowdary Nannapaneni