Patents by Inventor Mary Virginia Schoolfield

Mary Virginia Schoolfield 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).

  • Methods of reducing trimethylamine
    Patent number: 11471555
    Abstract: Absorbent materials configured to sequester trimethylamine (TMA), absorbent articles made therefrom, related methods of use, methods of measuring a reduction of free TMA, and related methods of making absorbent articles are described.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: October 18, 2022
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventors: Mary Virginia Schoolfield, Hugh West
  • Methods of reducing trimethylamine
    Patent number: 11324851
    Abstract: Absorbent materials configured to sequester trimethylamine (TMA), absorbent articles made therefrom, related methods of use, methods of measuring a reduction of free TMA, and related methods of making absorbent articles are described.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: May 10, 2022
    Assignee: INTERNATIONAL PAPER COMPANY
    Inventors: Mary Virginia Schoolfield, Hugh West
  • ODOR-CONTROL ABSORBENT MATERIALS AND ABSORBENT ARTICLES AND RELATED METHODS OF USE AND METHODS OF MAKING
    Publication number: 20190358360
    Abstract: Absorbent materials configured to sequester trimethylamine (TMA), absorbent articles made therefrom, related methods of use, methods of measuring a reduction of free TMA, and related methods of making absorbent articles are described.
    Type: Application
    Filed: May 25, 2018
    Publication date: November 28, 2019
    Applicant: International Paper Company
    Inventors: Mary Virginia Schoolfield, Hugh West