(19)

(11)

EP 4 081 680 A1

(12)

(43) Date of publication: 02.11.2022 Bulletin 2022/44 (21) Application number: 20906374.2 (22) Date of filing: 16.11.2020

(51) International Patent Classification (IPC):  D06L 1/00(2017.01) D06L 1/12(2006.01) (52) Cooperative Patent Classification (CPC): D06M 16/003; D06M 23/12; D06L 1/14; D06M 15/03; B01J 13/046; B01J 13/14 (86) International application number: PCT/TR2020/051109 (87) International publication number: WO 2021/133302 (01.07.2021 Gazette 2021/26)

(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: 26.12.2019 TR 201921815 (71) Applicant: AK-Kim Kimya Sanayi ve Ticaret Anonim Sirketi 34437 Istanbul (TR)	(72) Inventors: AYDIN, Derya 34437 Istanbul (TR) DURMUS, Semih Ciftlikkoy/ Yalova (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)