(19)

(11)

EP 3 894 526 A1

(12)

(43) Date of publication: 20.10.2021 Bulletin 2021/42 (21) Application number: 19828514.0 (22) Date of filing: 10.12.2019

(51) International Patent Classification (IPC):  C10M 133/52(2006.01) C10M 169/04(2006.01) (52) Cooperative Patent Classification (CPC): C10M 2223/045; C10N 2030/68; C10N 2030/52; C10M 2207/34; C10M 2215/28; C10N 2040/25; C10M 2215/30; C10M 2205/04; C10M 2219/046; C10N 2030/02; C10M 2205/0285; C10N 2020/04; C10M 2203/1025; C10M 2219/089; C10M 169/048; C10M 133/52; C10N 2030/04   C-Sets: C10M 2219/046, C10N 2010/04; C10M 2219/089, C10N 2010/04; C10M 2223/045, C10N 2010/04; C10M 2205/04, C10M 2205/06; (86) International application number: PCT/US2019/065364 (87) International publication number: WO 2020/123438 (18.06.2020 Gazette 2020/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 10.12.2018 US 201862777470 P (71) Applicant: The Lubrizol Corporation Wickliffe, Ohio 44092-2298 (US)	(72) Inventors: TANG, Steven Solon, Ohio 44139 (US) JONES, Joanne L. Derby Derbyshire DE56 1QN (GB) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)