The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2025
Filed:
Apr. 27, 2023
Applicant:
Afton Chemical Corporation, Richmond, VA (US);
Inventors:
Mitchell Latimer, Montpellier, VA (US);
Piotr Grzyska, Richmond, VA (US);
Jason Bell, Powhatan, VA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 135/02 (2006.01); C07C 319/14 (2006.01); C10M 169/04 (2006.01); C10N 30/00 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01);
U.S. Cl.
CPC ...
C10M 135/02 (2013.01); C07C 319/14 (2013.01); C10M 169/04 (2013.01); C10M 2219/02 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/52 (2020.05); C10N 2040/252 (2020.05); C10N 2040/255 (2020.05);
Abstract
The present disclosure provides a method for preparing a sulfurized alkyl phenate product to achieve a high sulfurization ratio of sulfurized alkyl phenate to unsulfurized alkyl phenate/phenol in the context of a neutralized and optionally overbased additive.