(19)

(11)

EP 3 924 394 A1

(12)

(43) Date of publication: 22.12.2021 Bulletin 2021/51 (21) Application number: 20755182.1 (22) Date of filing: 11.02.2020

(51) International Patent Classification (IPC):  C08F 10/00(2006.01) C08F 4/659(2006.01) C08F 4/64(2006.01) C08F 4/02(2006.01) (52) Cooperative Patent Classification (CPC): C08F 4/659; C08F 4/65908; C08F 4/65912; C08F 10/00; C08F 110/02; C08F 110/06; C08F 110/14; C08F 210/16   C-Sets: C08F 110/06, C08F 2500/02, C08F 2500/03, C08F 2500/34; C08F 110/06, C08F 2500/03, C08F 2500/34; C08F 210/16, C08F 210/14, C08F 2500/01, C08F 2500/03, C08F 2500/34; C08F 210/16, C08F 210/14, C08F 2500/01, C08F 2500/04, C08F 2500/34; C08F 210/16, C08F 210/14, C08F 2500/02, C08F 2500/03, C08F 2500/14; C08F 10/00, C08F 4/64158; C08F 110/02, C08F 2500/01, C08F 2500/03, C08F 2500/34; C08F 110/14, C08F 2500/02; C08F 110/02, C08F 2500/01, C08F 2500/04, C08F 2500/34; C08F 110/02, C08F 2500/02, C08F 2500/03, C08F 2500/34; (86) International application number: PCT/US2020/017736 (87) International publication number: WO 2020/167821 (20.08.2020 Gazette 2020/34)

(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: 12.02.2019 US 201962804372 P 12.06.2019 EP 19179811 (71) Applicant: ExxonMobil Chemical Patents Inc. Baytown, TX 77520 (US)

(72) Inventors: GORYUNOV, Georgy, P. Kokoshkino, 143390 (RU) SHARIKOV, Mikhail, I. Moscow, 119234 (RU) POPOV, Vladislav, A. Moscow, 119991 (RU) UBORSKY, Dmitry, V. Moscow, 107392 (RU) VOSKOBOYNIKOV, Alexander, Z. Moscow, 129515 (RU) HAGADORN, John, R. Houston, TX 77035 (US) TITONE, Michelle, E. Houston, TX 77058 (US) CARPENTER, Alex, E. Houston, TX 77058 (US) FALER, Catherine, A. Houston, TX 77007 (US) CANICH, Jo Ann, M. Houston, TX 77059 (US) (74) Representative: ExxonMobil Chemical Europe Inc.  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)