(19)

(11)

EP 3 966 300 A1

(12)

(43) Date of publication: 16.03.2022 Bulletin 2022/11 (21) Application number: 20728353.2 (22) Date of filing: 07.05.2020

(51) International Patent Classification (IPC):  C10M 161/00(2006.01) (52) Cooperative Patent Classification (CPC): C10M 161/00; C10M 2201/0653; C10M 2201/0663; C10N 2050/025; C10N 2020/06; C10N 2030/06; C10M 2209/1033; C10M 2217/0443; C10M 2217/0453   C-Sets: C10M 2201/0653, C10N 2010/12; (86) International application number: PCT/US2020/031826 (87) International publication number: WO 2020/227496 (12.11.2020 Gazette 2020/46)

(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: 08.05.2019 US 201962844807 P (71) Applicant: DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC. Midland, MI 48686-0994 (US)	(72) Inventors: MUSHRUSH, Melissa Midland, Michigan 48642 (US) MORGAN, Robert Midland, Michigan 48667 (US) SHARMA, Manish Freeport, Texas 77541 (US) WEBER, Gary Midland, Michigan 48642 (US) (74) Representative: Novagraaf Group  Chemin de l'Echo 3 1213 Onex 1213 Onex (CH)