(19)

(11)

EP 4 229 119 A1

(12)

(43) Date of publication: 23.08.2023 Bulletin 2023/34 (21) Application number: 21786978.3 (22) Date of filing: 08.10.2021

(51) International Patent Classification (IPC):  C08J 9/14(2006.01) C08G 18/76(2006.01) B32B 15/20(2006.01) C08G 18/42(2006.01) C08G 18/50(2006.01) C08G 18/09(2006.01) B32B 15/04(2006.01) C08G 18/40(2006.01) C08G 18/48(2006.01) (52) Cooperative Patent Classification (CPC): C08J 9/146; C08G 18/092; C08G 18/7664; C08G 2110/0033; C08G 2110/0025; C08G 2115/02; C08G 18/4018; C08G 18/4213; C08G 18/4829; C08G 18/5033; C08J 2375/04; C08J 2203/162; B32B 2307/3065; B32B 2266/0278; B32B 2307/304; B32B 15/20; B32B 2266/0264; B32B 15/046; B32B 5/18; F16L 59/028 (86) International application number: PCT/EP2021/077854 (87) International publication number: WO 2022/078899 (21.04.2022 Gazette 2022/16)

(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: 13.10.2020 JP 2020172551 14.12.2020 EP 20213890 (71) Applicant: Covestro Deutschland AG 51373 Leverkusen (DE)	(72) Inventors: KASHIWAMOTO, Yuudai Higashiosaka-city, Osaka, 577-0007 (JP) HOSHIBA, Jiro Amagasaki, 661-0977 (JP) (74) Representative: Levpat  c/o Covestro AG Gebäude K12 51365 Leverkusen 51365 Leverkusen (DE)