Patents by Inventor VENKATACHALAM RAMKUMAR

VENKATACHALAM RAMKUMAR 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).

  • 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
  • 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