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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.:

US 12281277 B1

PDFFull Text
Date of Patent:
Apr. 21, 2025

Filed:

Sep. 12, 2023

Lubricant compositions containing styrenic block copolymer

Applicant:

Infineum International Limited, Abingdon, GB;

Inventors:

Yi Zhao, Edison, NJ (US);

Ronald M. Lewis, Glenmore, PA (US);

Ewan K. Galbraith, Brooklyn, NY (US);

Dominic Collis, Abingdon, GB;

Assignee:

Infineum International Limited, Abingdon, GB;

Attorney:

Robert A. Migliorini

Primary Examiner:

James C Goloboy

Int. Cl.
CPC ...
C10M 143/12 (2005.12); C10N 20/02 (2005.12); C10N 30/02 (2005.12); C10N 30/04 (2005.12); C10N 30/10 (2005.12); C10N 40/04 (2005.12); C10N 40/25 (2005.12);
U.S. Cl.
CPC ...
C10M 143/12 (2012.12); C10M 2203/003 (2012.12); C10M 2205/06 (2012.12); C10M 2219/044 (2012.12); C10N 2020/02 (2012.12); C10N 2030/02 (2012.12); C10N 2030/04 (2012.12); C10N 2030/10 (2012.12); C10N 2040/04 (2012.12); C10N 2040/25 (2012.12);
Abstract

This invention relates to a lubricating oil composition, or concentrate therefor, comprising or resulting from the admixing of: (i) base oil, (ii) one or more styrenic block copolymers having a radial structure where one or more blocks derived from conjugated diene monomers are distal to the radial center and one more blocks derived from vinyl aromatic monomers that are proximal to the radial center, and (iii) optionally one or more dispersants and or detergents.

Find Patent Forward Citations

Zhao, Yi. (2025). Lubricant compositions containing styrenic block copolymer (U.S. Patent No. 12281277). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12281277

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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