Patents by Inventor Edward Standefer

Edward Standefer 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).

  • Sulfurized additives with low levels of alkyl phenols
    Patent number: 11976250
    Abstract: The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio and low levels of unsulfurized alkyl phenols.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: May 7, 2024
    Assignee: Afton Chemical Corporation
    Inventors: Paul Kondracki, Edward Standefer, Peter Hou
  • SULFURIZED ADDITIVES WITH LOW LEVELS OF ALKYL PHENOLS
    Publication number: 20230235241
    Abstract: The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio and low levels of unsulfurized alkyl phenols.
    Type: Application
    Filed: December 22, 2022
    Publication date: July 27, 2023
    Inventors: Paul Kondracki, Edward Standefer, Peter Hou
  • Sulfurized additives with low levels of alkyl phenols
    Patent number: 11572523
    Abstract: The present disclosure provides a detergent additives and methods for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio and low levels of un-sulfurized alkyl phenols.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: February 7, 2023
    Assignee: Afton Chemical Corporation
    Inventors: Paul Kondracki, Edward Standefer, Peter Hou