Patents by Inventor Wen J. Ong

Wen J. Ong 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).

  • Polymers for selective heavy metal removal
    Patent number: 11746191
    Abstract: Disclosed are cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moiety in the polymer backbone. Methods of making cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moieity in the polymer backbone are disclosed. A metal complex, comprising a cross-linked polymer chelated to a toxic heavy metal atom or ion is disclosed. The disclosure provides a method of toxic heavy metal remediation using the cross-linked polymers. Also provided are articles and coatings comprising the disclosed cross-linked polymers.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: September 5, 2023
    Assignee: Massachusetts Institute of Technology
    Inventors: Timothy M. Swager, Wen J. Ong
  • Polymers for Selective Heavy Metal Removal
    Publication number: 20190031832
    Abstract: Disclosed are cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moiety in the polymer backbone. Methods of making cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moieity in the polymer backbone are disclosed. A metal complex, comprising a cross-linked polymer chelated to a toxic heavy metal atom or ion is disclosed. The disclosure provides a method of toxic heavy metal remediation using the cross-linked polymers. Also provided are articles and coatings comprising the disclosed cross-linked polymers.
    Type: Application
    Filed: July 24, 2018
    Publication date: January 31, 2019
    Inventors: Timothy M. Swager, Wen J. Ong