Patents by Inventor Govind Sharma Shyam Sunder

Govind Sharma Shyam Sunder 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).

  • Environmentally Friendly Polymeric Sorbent Material for the Extraction and Determination of Rare Earth Elements, Thorium, and Uranium
    Publication number: 20240050924
    Abstract: A method for extracting a metal species from a solution is described, where the metal species comprises a rare earth element, Th, or U. The method involves the use of poly(caffeic acid) as a sorbent material. The poly(caffeic acid) may be crosslinked with a diamine crosslinker such as ethylenediamine.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 15, 2024
    Applicant: The University of Toledo
    Inventors: Jon R. Kirchhoff, Sandhya Adhikari, Govind Sharma Shyam Sunder
  • Pyrrole-based polymers for metal extraction, analysis, and removal
    Patent number: 11634517
    Abstract: Materials and methods for extracting metals from solutions, involving a polymer of Formula A are described: where each X is independently either S or O, and n is an integer greater than 1.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: April 25, 2023
    Assignee: The University of Toledo
    Inventors: Jon R. Kirchhoff, Ahmad Rohanifar, Govind Sharma Shyam Sunder
  • Pyrrole-Based Polymers for Metal Extraction, Analysis, and Removal
    Publication number: 20200102410
    Abstract: Materials and methods for extracting metals from solutions, involving a polymer of Formula A are described: where each X is independently either S or O, and n is an integer greater than 1.
    Type: Application
    Filed: September 26, 2019
    Publication date: April 2, 2020
    Applicant: The University of Toledo
    Inventors: Jon R. Kirchhoff, Ahmad Rohanifar, Govind Sharma Shyam Sunder