(19)

(11)

EP 4 165 351 A1

(12)

(43) Date of publication: 19.04.2023 Bulletin 2023/16 (21) Application number: 21752495.8 (22) Date of filing: 10.06.2021

(51) International Patent Classification (IPC):  F24H 9/00(2022.01) C02F 1/66(2023.01) F24H 8/00(2022.01) (52) Cooperative Patent Classification (CPC): F24H 8/006; C02F 1/66; C02F 1/688; Y02B 30/00; F24H 9/45 (86) International application number: PCT/CZ2021/000025 (87) International publication number: WO 2021/254541 (23.12.2021 Gazette 2021/51)

(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: 16.06.2020 CZ 202037672 U (71) Applicants: ALMEVA EAST EUROPE a.s. 664 43 Zelesice (CZ) Almeva AG 9220 Bischofszell (CH)	(72) Inventor: ULRICH, Pavel 623 00 Brno (CZ) (74) Representative: Spacek, Jindrich  Svatopluka Cecha 106a 612 00 Brno 612 00 Brno (CZ)