(19)

(11)

EP 3 684 760 A2

(12)

(88) Date of publication A3: 02.05.2019 (43) Date of publication: 29.07.2020 Bulletin 2020/31 (21) Application number: 18857763.9 (22) Date of filing: 19.09.2018

(51) International Patent Classification (IPC):  C07D 251/18(2006.01) C07D 317/38(2006.01) C07D 251/64(2006.01) C08K 5/3462(2006.01) (86) International application number: PCT/US2018/051761 (87) International publication number: WO 2019/060422 (28.03.2019 Gazette 2019/13)

(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: 22.09.2017 US 201715713577 22.09.2017 US 201715713583 (71) Applicant: Hexion Research Belgium SA 1348 Ottignies-Louvain-la-Neuve (BE)	(72) Inventors: VISWANATHAN, Ganapathy, S. Louisville, KY 40216 (US) MAIORANA, Anthony Louisville, KY 40216 (US) SCHRÖTER, Stephan 58642 Iserlohn (DE) KUKKALA, Pravin Louisville, KY 40216 (US) (74) Representative: Palinsky, Kathrin  Hexion GmbH Varziner Straße 49 47138 Duisburg 47138 Duisburg (DE)