Patents by Inventor Potru SIVAIAH

Potru SIVAIAH 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 xylene linked cyclam compounds
    Patent number: 10544109
    Abstract: The present invention relates to an improved process for the preparation of xylene linked cyclam compounds. More particularly the invention provides a process for preparation of high purity plerixafor which does not involve the use of expensive chemicals, hazardous reagents or tedious purification techniques. Invention also provides novel intermediate useful for preparation of desired compound in high purity.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: January 28, 2020
    Assignee: Fresenius Kabi Oncology Ltd.
    Inventors: Hemant Kumar Singh, Sandeep Kumar, Ghanashyam Madhukar Sonavane, Vishal Handa, Chandan Kumar Gupta, Sunil Sanghani, Potru Sivaiah, Saswata Lahiri, Walter Cabri, Nitin Gupta
  • A PROCESS FOR THE PREPARATION OF XYLENE LINKED CYCLAM COMPOUNDS
    Publication number: 20180244635
    Abstract: The present invention relates to an improved process for the preparation of xylene linked cyclam compounds. More particularly the invention provides a process for preparation of high purity plerixafor which does not involve the use of expensive chemicals, hazardous reagents or tedious purification techniques. Invention also provides novel intermediate useful for preparation of desired compound in high purity.
    Type: Application
    Filed: September 1, 2016
    Publication date: August 30, 2018
    Applicant: FRESENIUS KABI ONCOLOGY LTD.
    Inventors: Hemant Kumar SINGH, Sandeep KUMAR, Ghanashyam Madhukar SONAVANE, Vishal HANDA, Chandan Kumar GUPTA, Sunil SANGHANI, Potru SIVAIAH, Saswata LAHIRI, Walter CABRI, Nitin GUPTA