(19)

(11)

EP 4 284 863 A2

(12)

(88) Date of publication A3: 15.09.2022 (43) Date of publication: 06.12.2023 Bulletin 2023/49 (21) Application number: 22701933.8 (22) Date of filing: 20.01.2022

(51) International Patent Classification (IPC):  C08J 11/06(2006.01) D06P 1/90(2006.01) B29B 13/00(2006.01) D06P 1/00(2006.01) D06P 5/13(2006.01) (52) Cooperative Patent Classification (CPC): C08J 11/06; D06P 5/13; D06P 5/132; D06P 5/134; C08J 2323/06; D06P 5/131; D06P 5/138; D06P 5/135; B29B 2017/0296; B29B 17/02; B29K 2105/0032 (86) International application number: PCT/EP2022/051235 (87) International publication number: WO 2022/161850 (04.08.2022 Gazette 2022/31)

(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: 26.01.2021 EP 21153465 (71) Applicant: Smart Coloring GmbH 52074 Aachen (DE)	(72) Inventor: ROBERTZ, Bernd 52074 Aachen (DE) (74) Representative: Michalski Hüttermann & Partner Patentanwälte mbB  Kaistraße 16A 40221 Düsseldorf 40221 Düsseldorf (DE)