(19)

(11)

EP 4 138 936 A1

(12)

(43) Date of publication: 01.03.2023 Bulletin 2023/09 (21) Application number: 21791649.3 (22) Date of filing: 01.03.2021

(51) International Patent Classification (IPC):  A61L 9/015(2006.01) F24F 3/16(2006.01) F24F 8/26(2021.01) F24F 8/108(2021.01) A61L 9/22(2006.01) F24F 8/22(2021.01) F24F 8/158(2021.01) B01D 53/86(2006.01) (52) Cooperative Patent Classification (CPC): Y02A 50/20; A61L 9/015; F24F 8/22; F24F 8/108; F24F 8/26; F24F 8/158; F24F 13/14; F24F 8/167; F24F 2110/50; F24F 2110/74; F24F 11/52; B01D 2259/4508; B01D 2259/804; B01D 2257/91; B01D 2255/20761; B01D 2255/2073; B01D 2253/102; B01D 2251/104; B01D 53/8675; B01D 53/75; B01D 53/30; Y02B 30/70; A61L 2209/212; A61L 2209/16; A61L 9/205; A61L 2209/14; A61L 2209/111 (86) International application number: PCT/SK2021/050003 (87) International publication number: WO 2021/216008 (28.10.2021 Gazette 2021/43)

(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: 23.04.2020 SK PP432020 (71) Applicant: Mitka, Marián 821 09 Bratislava-Ruzinov (SK)	(72) Inventor: Mitka, Marián 821 09 Bratislava-Ruzinov (SK) (74) Representative: Jeck, Jonathan  JECK, FLECK & Partner mbB Klingengasse 2 P.O.Box 14 69 71665 Vaihingen/Enz 71665 Vaihingen/Enz (DE)