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:
Dec. 17, 2024
Filed:
May. 07, 2021
Applicants:
The Lubrizol Corporation, Wickliffe, OH (US);
University of Warwick, Coventry, GB;
Inventors:
Paul O'Hora, Nottingham, GB;
Dixit Parmar, Long Eaton, GB;
Timothy R. Smith, Belper, GB;
David M. Haddleton, Coventry, GB;
Georgios Patias, Coventry, GB;
Assignees:
The Lubrizol Corporation, Wickliffe, OH (US);
University of Warwick, Coventry, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10M 149/00 (2006.01); C08F 8/32 (2006.01); C10N 20/04 (2006.01); C10N 30/04 (2006.01); C10N 40/25 (2006.01); C10N 70/00 (2006.01);
U.S. Cl.
CPC ...
C10M 149/00 (2013.01); C08F 8/32 (2013.01); C10M 2217/003 (2013.01); C10N 2020/04 (2013.01); C10N 2030/04 (2013.01); C10N 2040/25 (2013.01); C10N 2070/00 (2013.01);
Abstract
The present invention provides, among other things, a process to produce a low molecular weight dispersant polymethacrylate polymer ('LMWDPMA'), and the LMWDPMA itself, along with the use of the LMWDPMA in a lubricating composition, as well as a method for lubricating an internal combustion engine as disclosed herein.