Patents by Inventor Debasis Hazra

Debasis Hazra 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).

  • Synthesis of Mcl-1 inhibitor
    Patent number: 11149024
    Abstract: Disclosed are intermediates and methods of synthesizing Compound 1.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: October 19, 2021
    Assignee: ASTRAZENECA AB
    Inventors: Craig Robert Stewart, Simon Hardy, Andrew Stark, Alexander Hird, Qing Ye, Xiaolan Zheng, Cati Ferrar, Jan Koek, Debasis Hazra
  • SYNTHESIS OF MCL-1 INHIBITOR
    Publication number: 20210122735
    Abstract: Disclosed are intermediates and methods of synthesizing Compound 1.
    Type: Application
    Filed: March 29, 2018
    Publication date: April 29, 2021
    Applicant: ASTRAZENECA AB
    Inventors: Craig Robert STEWART, Simon HARDY, Andrew STARK, Alexander HIRD, Qing YE, Xiaolan ZHENG, Cati FERRAR, Jan KOEK, Debasis HAZRA
  • Method of controlled alcoholysis and regeneration of a borohydride
    Patent number: 7601797
    Abstract: Methods of controlled hydrolysis/alcoholysis and regeneration of a borohydride are disclosed. Examples of the present invention show that hydrolysis of sodium borohydride or lithium borohydride with dilute acid provides simultaneous generation of H2 and boric acid for recycling. Other examples of the present invention show methods for regenerating a borohydride by reacting an aluminum hydride to a borate compound to provide a regenerated borohydride.
    Type: Grant
    Filed: May 10, 2005
    Date of Patent: October 13, 2009
    Assignee: Purdue Research Foundation
    Inventors: P. Veeraraghavan Ramachandran, Debasis Hazra, Bhimapaka China Raju, Venkatram Reddy Mereddy, Annyt Bhattacharyya
  • Method of controlled alcoholysis and regeneration of a borohydride
    Publication number: 20050255024
    Abstract: Methods of controlled hydrolysis/alcoholysis and regeneration of a borohydride are disclosed. Examples of the present invention show that hydrolysis of sodium borohydride or lithium borohydride with dilute acid provides simultaneous generation of H2 and boric acid for recycling. Other examples of the present invention show methods for regenerating a borohydride by reacting an aluminum hydride to a borate compound to provide a regenerated borohydride.
    Type: Application
    Filed: May 10, 2005
    Publication date: November 17, 2005
    Inventors: P. Ramachandran, Debasis Hazra, Bhimapaka Raju, Venkatram Reddy Mereddy, Annyt Bhattacharyya