Patents by Inventor Abaigeal Ritzenthaler

Abaigeal Ritzenthaler 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: 11578287
    Abstract: This disclosure describes lubricating additives and lubricants including such additives suitable for and/or configured for mixed fleet use and, for instance, additives and lubricants that satisfy performance standards for typical spark ignition passenger car lubricants as well as performance standards for lubricants suitable for typical compression ignition heavy duty engine applications.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: February 14, 2023
    Assignee: Afton Chemical Corporation
    Inventors: Nicholas Giles, Abaigeal Ritzenthaler, Leah Donham