Patents by Inventor Vishal Handa

Vishal Handa 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
  • Process for the preparation of pralatrexate
    Patent number: 9440979
    Abstract: An improved process for the preparation of Pralatrexate which is less hazardous. The invention further relates to novel intermediates and process thereof useful for the preparation of Pralatrexate. The present invention also relates to a substantially pure Pralatrexate and a process for obtaining the same in high yield.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: September 13, 2016
    Assignee: FRESENIUS KABI ONCOLOGY LIMITED
    Inventors: Saswata Lahiri, Nitin Gupta, Hemant Kumar Singh, Nilendu Panda, Vishal Handa, Azim Abul, Chandan Kumar Gupta, Sunil Sanghani, Ghanashyam Madhukar Sonavane
  • IMPROVED PROCESS FOR THE PREPARATION OF PRALATREXATE
    Publication number: 20150183789
    Abstract: An improved process for the preparation of Pralatrexate which is less hazardous. The invention further relates to novel intermediates and process thereof useful for the preparation of Pralatrexate. The present invention also relates to a substantially pure Pralatrexate and a process for obtaining the same in high yield.
    Type: Application
    Filed: July 18, 2013
    Publication date: July 2, 2015
    Applicant: Fresenius Kabi Oncology Limited
    Inventors: Saswata Lahiri, Nitin Gupta, Hemant Kumar Singh, Nilendu Panda, Vishal Handa, Azim Abul, Chandan Kumar Gupta, Sunil Sanghani, Ghanashyam Madhukar Sonavane
  • Process for the preparation of temsirolimus and its intermediates
    Patent number: 8524893
    Abstract: Novel intermediates, process for their preparation and their use in the preparation of therapeutically effective antineoplastic agents, in particular Temsirolimus of formula (I).
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: September 3, 2013
    Assignee: Fresenius Kabi Oncology Limited
    Inventors: Nitin Gupta, Vishal Handa, Abir Kumar Pal, Hemant Kumar Singh, Saswata Lahiri, Sushil Kumar Dubey
  • PROCESS FOR THE PREPARATION OF TEMSIROLIMUS AND ITS INTERMEDIATES
    Publication number: 20110184167
    Abstract: Novel intermediates, process for their preparation and their use in the preparation of therapeutically effective antineoplastic agents, in particular Temsirolimus of formula (I).
    Type: Application
    Filed: January 28, 2011
    Publication date: July 28, 2011
    Applicant: Fresenius Kabi Oncology Limited
    Inventors: Nitin Gupta, Vishal Handa, Abir Kumar Pal, Hemant Kumar Singh, Saswata Lahiri, Sushil Kumar Dubey