Patents by Inventor Swarup GHOSH

Swarup GHOSH 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 HYDROXYL-FUNCTIONALIZED POLYETHER-POLYSILOXANE BLOCK COPOLYMERS
    Publication number: 20210040269
    Abstract: The present invention is directed to a hydroxyl-functionalized polyether-polysiloxane block copolymer of the structure A(-X—B)n wherein: A represents said polysiloxane block; B represents said polyether block; X is a linker group characterized by including the moiety Si—C—C— of which said Si is the terminal silicon atom of the polysiloxane block A; and, n is an integer of from 2 to 4, said block copolymer being further characterized by a terminal unsaturation of less than 0.04 meq/g, preferably less than 0.03 meq/g and more preferably less than 0.025 meq/g and the method for producing thereof.
    Type: Application
    Filed: October 20, 2020
    Publication date: February 11, 2021
    Inventors: Marta Woznicka, Swarup Ghosh, Marion Marquardt, Esteban Mejia, Udo Kragl, Christina Despotopoulou, Jan-Erik Damke, Johann Klein
  • Catalyst for poly(lactide) synthesis and uses thereof
    Patent number: 9988488
    Abstract: A catalysts for poly(lactide) synthesis having the structure of Formula I: wherein R1 and R2 is, independently, C1-C6 alkoxy, and R3 arylalkyl or substituted phenyl are disclosed. Method of synthesizing the catalysts and method of using the catalysts to prepare poly(lactides) and compositions comprising the catalyst are also disclosed.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: June 5, 2018
    Assignee: INDIAN INSTITUTE OF TECHNOLOGY MADRAS
    Inventors: Debashis Chakraborty, Swarup Ghosh, Venkatachalam Ramkumar
  • CATALYST FOR POLY(LACTIDE) SYNTHESIS AND USES THEREOF
    Publication number: 20160053048
    Abstract: Catalysts for poly(lactide) synthesis are provided herein. Also provided are methods of synthesizing the catalysts, methods of using the catalysts to make poly(lactides), and compositions comprising the same.
    Type: Application
    Filed: March 3, 2014
    Publication date: February 25, 2016
    Applicant: Indian Institute of Technology Madras
    Inventors: Debashis CHAKRABORTY, Swarup GHOSH, VENKATACHALAM RAMKUMAR