(19)

(11)

EP 4 028 494 A1

(12)

(43) Date of publication: 20.07.2022 Bulletin 2022/29 (21) Application number: 20767880.6 (22) Date of filing: 31.08.2020

(51) International Patent Classification (IPC):  C10L 1/18(2006.01) C10L 10/08(2006.01) C10L 1/185(2006.01) (52) Cooperative Patent Classification (CPC): C10L 10/08; C10L 1/1808; C10L 1/1857; C10L 1/191; C10L 1/224; C10L 1/1216; C10L 1/10; C10L 1/2222; C10L 1/1883; C10L 1/228; C10L 1/232; C10L 1/2225; C10L 2200/0446; C10L 2200/0423; C10L 2230/22 (86) International application number: PCT/IB2020/058090 (87) International publication number: WO 2021/048677 (18.03.2021 Gazette 2021/11)

(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: 10.09.2019 US 201962898398 P (71) Applicants: Chevron Oronite Company LLC San Ramon, CA 94583 (US) Chevron U.S.A. Inc. San Ramon, California 94583-0806 (US)	(72) Inventors: CHERPECK, Richard Eugene San Ramon, California 94583 (US) MARIA, Amir Gamal San Ramon, California 94583 (US) GUNAWAN, Theresa Liang San Ramon, California 94583 (US) (74) Representative: Haseltine Lake Kempner LLP  Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)