(19)

(11)

EP 4 041 905 A2

(12)

(88) Date of publication A3: 14.05.2021 (43) Date of publication: 17.08.2022 Bulletin 2022/33 (21) Application number: 20792284.0 (22) Date of filing: 30.09.2020

(51) International Patent Classification (IPC):  C12P 19/04(2006.01) B29C 65/00(2006.01) C08J 5/18(2006.01) C12P 39/00(2006.01) B32B 23/04(2006.01) D21C 5/00(2006.01) (52) Cooperative Patent Classification (CPC): C12P 19/04; C12P 39/00; C08J 5/18; D21H 11/18; D21C 5/00; C08J 3/075; C08J 2301/02 (86) International application number: PCT/DK2020/050264 (87) International publication number: WO 2021/063464 (08.04.2021 Gazette 2021/14)

(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: 01.10.2019 DK PA201970614 (71) Applicant: Cellugy ApS 8210 Aarhus V (DK)	(72) Inventors: ALVAREZ-MARTOS, Isabel 8220 Brabrand (DK) FAPYANE, Deby 8000 Aarhus C (DK) (74) Representative: Plougmann Vingtoft a/s  Strandvejen 70 2900 Hellerup 2900 Hellerup (DK)