(19)

(11)

EP 4 022 022 A1

(12)

(43) Date of publication: 06.07.2022 Bulletin 2022/27 (21) Application number: 19943565.2 (22) Date of filing: 27.08.2019

(51) International Patent Classification (IPC):  C11D 7/50(2006.01) C11D 11/00(2006.01) (52) Cooperative Patent Classification (CPC): C11D 7/5077; C11D 11/0029 (86) International application number: PCT/US2019/048255 (87) International publication number: WO 2021/040695 (04.03.2021 Gazette 2021/09)

(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 (71) Applicant: Valvoline Licensing and Intellectual Property LLC Lexington, KY 40509 (US)	(72) Inventor: BONTA, Jacob Lexington, KY 40509 (US) (74) Representative: Kutzenberger Wolff & Partner  Waidmarkt 11 50676 Köln 50676 Köln (DE)