(19)

(11)

EP 4 188 878 A1

(12)

(43) Date of publication: 07.06.2023 Bulletin 2023/23 (21) Application number: 20947431.1 (22) Date of filing: 29.07.2020

(51) International Patent Classification (IPC):  C01B 33/12(2006.01) C01B 33/26(2006.01) C01B 33/20(2006.01) B01J 20/10(2006.01) (52) Cooperative Patent Classification (CPC): C01B 33/158; C01B 33/152; C01P 2004/61; C01P 2006/12; C01P 2006/14; C01P 2004/64 (86) International application number: PCT/TR2020/050673 (87) International publication number: WO 2022/025834 (03.02.2022 Gazette 2022/05)

(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: KOC Universitesi 34450 Istanbul (TR)	(72) Inventors: IJAZ, Aatif 34450 Sar yer/Istanbul (TR) MIKO, Annamaria 34450 Sar yer/Istanbul (TR) DEMIREL, Adem Levend 34450 Sar yer/Istanbul (TR) (74) Representative: Dericioglu, E. Korhan  Ankara Patent Bureau Mustafa Kemal Mahallesi Dumlupinar Bulvan Eskisehir Yolu 9.km No: 274/7 B Blok 14. Kat No: 161. Cankaya, Ankara 06530 Ankara 06530 Ankara (TR)