Patents by Inventor Marcel U. Brown

Marcel U. Brown 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).

  • AMMONIUM AND SULFONIUM SULFONATE ZWITTERIONS AND POLYMERS DERIVED THEREFROM
    Publication number: 20230331918
    Abstract: A zwitterion has a structure according to the Formula wherein Z, L1, L2, R, Y, and x are as defined herein. The zwitterions can be used to provide the corresponding polymer zwitterions, for example using free radical polymerization techniques.
    Type: Application
    Filed: April 5, 2023
    Publication date: October 19, 2023
    Inventors: Marcel U. Brown, Todd Emrick
  • PHOSPHONIUM-BASED ZWITTERIONIC MONOMERS AND POLYMERS, AND COMPOSITIONS AND METHODS THEREOF
    Publication number: 20230192732
    Abstract: The invention provides novel zwitterionic monomers and polymers (including copolymers) with pendent phosphonium-based zwitterionic moieties, and compositions and products comprising same, as well as related methods and uses of the compositions, for example, as surfactants, coatings, and interlayer materials, biomedical materials or agents.
    Type: Application
    Filed: January 24, 2023
    Publication date: June 22, 2023
    Inventors: Marcel U. Brown, Todd Emrick
  • Phosphonium-based zwitterionic monomers and polymers, and compositions and methods thereof
    Patent number: 11603379
    Abstract: The invention provides novel zwitterionic monomers and polymers (including copolymers) with pendent phosphonium-based zwitterionic moieties, and compositions and products comprising same, as well as related methods and uses of the compositions, for example, as surfactants, coatings, and interlayer materials, biomedical materials or agents.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: March 14, 2023
    Assignee: University of Massachusetts
    Inventors: Marcel U. Brown, Todd Emrick
  • PHOSPHONIUM-BASED ZWITTERIONIC MONOMERS AND POLYMERS, AND COMPOSITIONS AND METHODS THEREOF
    Publication number: 20210070786
    Abstract: The invention provides novel zwitterionic monomers and polymers (including copolymers) with pendent phosphonium-based zwitterionic moieties, and compositions and products comprising same, as well as related methods and uses of the compositions, for example, as surfactants, coatings, and interlayer materials, biomedical materials or agents.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 11, 2021
    Inventors: Marcel U. Brown, Todd Emrick