Patents by Inventor Sonu Prasad Shukla

Sonu Prasad Shukla 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).

  • AN IMPROVED PROCESS FOR THE PREPARATION OF SEMAGLUTIDE SIDE CHAIN
    Publication number: 20230295077
    Abstract: The present invention relates to an improved process for the preparation of a compound of Formula (1), The invention also provides improved processes for the preparation of intermediates used in the synthesis of Formula (1). The compound of Formula (1) is used in the synthesis of Semaglutide.
    Type: Application
    Filed: April 9, 2021
    Publication date: September 21, 2023
    Applicant: FRESENIUS KABI ONCOLOGY LIMITED
    Inventors: Maneesh Kumar PANDEY, Sonu Prasad SHUKLA, Sachin NAIN, Sandeep SANDEEP, Sridhar MALE, Sarbjot Singh SOKHI, Govind SINGH, Saswata LAHIRI, Walter CABRI
  • Process for purification of carfilzomib intermediate
    Patent number: 11078231
    Abstract: The present invention relates to a process for the purification of compound of formula II, wherein X may be independently selected from trifluoroacetic acid, hydrochloric acid, hydrobromic acid, p-toluene sulfonic acid and phosphoric acid; its isolation as solid and use for the preparation of carfilzomib.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: August 3, 2021
    Assignee: FRESENIUS KABI ONCOLOGY LTD
    Inventors: Walter Cabri, Saswata Lahiri, Govind Singh, Sarbjot Singh Sokhi, Maneesh Kumar Pandey, Raj Narayan Tiwari, Sonu Prasad Shukla
  • A PROCESS FOR PURIFICATION OF CARFILZOMIB INTERMEDIATE
    Publication number: 20190218249
    Abstract: The present invention relates to a process for the purification of compound of formula II, wherein X may be independently selected from trifluoroacetic acid, hydrochloric acid, hydrobromic acid, p-toluene sulfonic acid and phosphoric acid; its isolation as solid and use for the preparation of carfilzomib.
    Type: Application
    Filed: September 13, 2017
    Publication date: July 18, 2019
    Applicant: FRESENIUS KABI ONCOLOGY LIMITED
    Inventors: Walter CABRI, Saswata LAHIRI, Govind SINGH, Sarbjot Singh SOKHI, Maneesh Kumar PANDEY, Raj Narayan TIWARI, Sonu Prasad SHUKLA
  • Amorphous form of cabazitaxel and process for its preparation
    Patent number: 9199953
    Abstract: An amorphous form of cabazitaxel is disclosed. It is preferably characterized by an X-ray powder diffraction (XRD) pattern as depicted in FIG. 1. It is prepared by (a) preparing a solution of cabazitaxel in a suitable solvent and mixture thereof; and (b) recovering the amorphous forms of cabazitaxel from the solution by removal of the solvent.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: December 1, 2015
    Assignee: FRESENIUS KABI ONCOLOGY LIMITED
    Inventors: Saswata Lahiri, Bhuwan Bhaskar Mishra, Vijay Ojha, Nilendu Panda, Sonu Prasad Shukla