(19)

(11)

EP 4 087 669 A1

(12)

(43) Date of publication: 16.11.2022 Bulletin 2022/46 (21) Application number: 21725678.3 (22) Date of filing: 12.01.2021

(51) International Patent Classification (IPC):  B01D 3/02(2006.01) B01D 3/04(2006.01) (52) Cooperative Patent Classification (CPC): B01D 3/02; B01D 3/004; B01D 3/005; B01D 5/009 (86) International application number: PCT/HU2021/000001 (87) International publication number: WO 2021/094796 (20.05.2021 Gazette 2021/20)

(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: 14.11.2019 HU 1900383 12.11.2020 HU 2000373 (71) Applicant: Kerekes, József 2040 Budaörs (HU)	(72) Inventor: Kerekes, József 2040 Budaörs (HU)