(19)

(11)

EP 3 645 688 A1

(12)

(43) Date of publication: 06.05.2020 Bulletin 2020/19 (21) Application number: 18734961.8 (22) Date of filing: 05.06.2018

(51) International Patent Classification (IPC):  C10M 171/02(2006.01) C10N 20/02(2006.01) C10N 30/08(2006.01) C10N 40/04(2006.01) C10M 101/02(2006.01) C10N 30/02(2006.01) C10N 40/02(2006.01) C10N 40/25(2006.01) (86) International application number: PCT/IB2018/054001 (87) International publication number: WO 2019/002993 (03.01.2019 Gazette 2019/01)

(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: 27.06.2017 US 201715634623 (71) Applicant: Chevron Oronite Company LLC San Ramon, CA 94583 (US)	(72) Inventors: PALAZZOTTO, John Dominic San Ramon, CA 94583 (US) BROWN, Martin Joseph San Ramon, CA 94583 (US) (74) Representative: Haseltine Lake Kempner LLP  Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)