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:
Nov. 22, 2022
Filed:
Jan. 14, 2021
Infineum International Limited, Abingdon, GB;
Jungyeon Kim, Coventry, GB;
Valentin P. Beyer, Kortrijk, BE;
Remzi Becer, Coventry, GB;
Beatrice N. Cattoz, Bristol, GB;
Anthony J. Strong, Oxford, GB;
Andrew D. Schwarz, Abington, GB;
Daniel J. Phillips, Southam, GB;
INFINEUM INTERNATIONAL LIMITED, Abingdon, GB;
Abstract
A polymer comprising units having the structure (I): wherein x is 2 or 3, wherein L is (CH), where y is an integer from 1 to 10, or wherein L is CH(CH)CHS(CH), where z is an integer from 1 to 5; wherein [Q] is absent or is a polymerised moiety consisting of units having the structure (II): wherein R is a hydrocarbyl group, or a hydrocarbyl group containing one or more heteroatoms, wherein R may be linear, branched or cyclic, saturated or unsaturated, and wherein R has from 1 to 30 carbon atoms; wherein [Q] either consists of identical units of structure (II), or wherein [Q] consists of more than one different units of structure (II), differing in group R; and wherein X is a halogen or another chain terminating group. The polymers may find use as additives in lubricating compositions where they provide friction improvement and wear reduction.