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(11)

EP 4 058 523 A1

(12)

(43) Date of publication: 21.09.2022 Bulletin 2022/38 (21) Application number: 20800675.9 (22) Date of filing: 09.11.2020

(51) International Patent Classification (IPC):  C09D 175/04(2006.01) C09D 7/40(2018.01) C09J 175/04(2006.01) C08G 18/08(2006.01) (52) Cooperative Patent Classification (CPC): C08G 18/0819; C08G 18/706; C09D 7/61; C09D 7/63; C08K 7/22; C08K 5/175; C08K 5/092; C08K 2003/321; C08K 2003/324; C08K 3/36; C09D 175/06; C09J 175/06   C-Sets: C09D 175/06, C08K 3/32, C08K 3/36; C09J 175/06, C08K 3/32, C08K 3/36; C09D 175/04, C08K 5/52, C08K 3/36; C09J 175/04, C08K 5/52, C08K 3/36; (86) International application number: PCT/EP2020/081409 (87) International publication number: WO 2021/094228 (20.05.2021 Gazette 2021/20)

(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: 13.11.2019 CN 201911111586 13.01.2020 EP 20151335 (71) Applicant: Covestro Intellectual Property GmbH & Co. KG 51373 Leverkusen (DE)	(72) Inventors: ZHU, Yingdan Shanghai, 201210 (CN) JIN, Chen Guangzhou, Guangdong, 510150 (CN) TAN, Miao Shanghai, 201208 (CN) ZHAO, Dongbo Shanghai, 201206 (CN) (74) Representative: Levpat  c/o Covestro AG Gebäude K12 51365 Leverkusen 51365 Leverkusen (DE)