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(11)

EP 4 232 302 A1

(12)

(43) Date of publication: 30.08.2023 Bulletin 2023/35 (21) Application number: 20804360.4 (22) Date of filing: 22.10.2020

(51) International Patent Classification (IPC):  B60C 1/00(2006.01) C08L 7/00(2006.01) (52) Cooperative Patent Classification (CPC): B60C 1/00; C08L 7/00   C-Sets: C08L 7/00, C08L 61/06, C08L 93/04, C08L 91/06, C08L 91/00, C08K 3/04, C08K 5/18, C08K 5/09, C08K 3/22, C08K 5/3477, C08K 5/47, C08K 5/44, C08K 3/06; (86) International application number: PCT/JP2020/039774 (87) International publication number: WO 2022/085165 (28.04.2022 Gazette 2022/17)

(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 (71) Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN 63000 Clermont-Ferrand (FR)	(72) Inventor: NAKASHIMA, Yasufumi Tokyo 163-1073 (JP) (74) Representative: Louret, Sylvain  M.F.P. MICHELIN Service juridique - Propriété Intellectuelle DCJ/PI - F35 - Site de Ladoux 23, place des Carmes - Déchaux 63040 Clermont-Ferrand Cedex 9 63040 Clermont-Ferrand Cedex 9 (FR)