(19)

(11)

EP 3 601 381 A2

(12)

(88) Date of publication A3: 08.11.2018 (43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 18713559.5 (22) Date of filing: 15.03.2018

(51) International Patent Classification (IPC):  C08F 110/14(2006.01) C08F 8/04(2006.01) C08F 4/6592(2006.01) (86) International application number: PCT/US2018/022534 (87) International publication number: WO 2018/182982 (04.10.2018 Gazette 2018/40)

(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: 28.03.2017 US 201762477683 P 02.06.2017 EP 17174270 (71) Applicant: ExxonMobil Chemical Patents Inc. Baytown, TX 77520 (US)	(72) Inventors: CROWTHER, Donna J. Blairsville, GA 30512 (US) CHEN, Patrick C. Houston, TX 77008 (US) LOVELL, Jacqueline A. Crosby, TX 77532 (US) ISLAM, Md Safatul Pearland, TX 77584 (US) (74) Representative: ExxonMobil Chemical Europe Inc.  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)