Patents by Inventor Dayawant Bhimsing RATHOD

Dayawant Bhimsing RATHOD 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 SITAGLIPTIN FREE FROM GENOTOXIC IMPURITIES
    Publication number: 20240316041
    Abstract: The present invention relates to sitagliptin or a pharmaceutically acceptable salt thereof substantially free from genotoxic impurities particularly nitrosamine impurities and processes for its preparation. In particular, the invention relates to process for the preparation of high purity sitagliptin free from nitrosamine impurities and other genotoxic and carcinogenic impurities below threshold concentration.
    Type: Application
    Filed: March 4, 2024
    Publication date: September 26, 2024
    Inventors: Kumar Kamlesh SINGH, Santosh Devidas DIWAKAR, Chintan Sureshbhai DHOLAKIA, Abhishek Kumar LAL, Dayawant Bhimsing RATHOD, Hitesh Phulchandbhai THUMBAR