(19)

(11)

EP 4 267 795 A1

(12)

(43) Date of publication: 01.11.2023 Bulletin 2023/44 (21) Application number: 21916033.0 (22) Date of filing: 22.12.2021

(51) International Patent Classification (IPC):  D21H 19/54(2006.01) D21H 27/10(2006.01) (52) Cooperative Patent Classification (CPC): D21H 19/54; D21H 27/10; D21H 17/28; D21H 11/14 (86) International application number: PCT/TR2021/051457 (87) International publication number: WO 2022/146351 (07.07.2022 Gazette 2022/27)

(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: 28.12.2020 TR 202021876 (71) Applicant: Modern Karton Sanayi ve Ticaret Anonim Sirketi 59930 Ergene/Tekirdag (TR)	(72) Inventors: BAGBAKAR ORHAN, Duygu 59930 Ergene/Tekirdag (TR) OZGUR SAGLAM, Nalan 59930 Ergene/Tekirdag (TR) (74) Representative: Kaya, Erdem  Erdem Kaya Patent Inc. Konak Mahallesi Kudret Sk. Elitpark Park Sit. Ofisler Apt. No: 12/27 16110 Nilüfer/Bursa 16110 Nilüfer/Bursa (TR)