(19)

(11)

EP 4 816 484 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23959767.7 (22) Date of filing: 29.11.2023

(51) International Patent Classification (IPC):  C09J 7/20(2018.01) C09J 133/08(2006.01) C09J 163/00(2006.01) (52) Cooperative Patent Classification (CPC): C09J 163/00; C09J 7/30; C09J 2203/318; C09J 2433/00; C08F 220/301; C08F 220/1808; C08F 2/50; C09J 4/00; C08F 2/48   C-Sets: C08F 220/301, C08F 220/1808, C08F 220/20; C08F 220/1808, C08F 220/301, C08F 220/20; C09J 4/00, C08F 220/1808; C09J 4/00, C08F 220/301; (86) International application number: PCT/CN2023/134996 (87) International publication number: WO 2025/111846 (05.06.2025 Gazette 2025/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (71) Applicant: 3M Innovative Properties Company Saint Paul, Minnesota 55133-3427 (US)	(72) Inventors: GAO, Fan Shanghai 200336 (CN) LIN, Xiao Wen Shanghai 200336 (CN) (74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB  Siebertstraße 4 81675 München 81675 München (DE)