(19)
(11) EP 4 330 195 A1

(12)

(43) Date of publication:
06.03.2024 Bulletin 2024/10

(21) Application number: 22729250.5

(22) Date of filing: 29.04.2022
(51) International Patent Classification (IPC): 
C02F 1/78(2023.01)
A01G 31/00(2018.01)
 C02F 1/00(2023.01)
(52) Cooperative Patent Classification (CPC):
C02F 1/78; C02F 1/004; C02F 2303/04; C02F 2303/18; C02F 2301/046; C02F 2209/23; C02F 2201/782; A01G 2031/006; A01G 31/02; Y02P 60/21
(86) International application number:
PCT/FI2022/050282
(87) International publication number:
WO 2022/229513 (03.11.2022 Gazette 2022/44)
(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: 30.04.2021 FI 20215511

(71) Applicant: Happico Holding Oy
05800 Hyvinkää (FI)

(72) Inventors:
  • TAHVONEN, Risto
    21500 Piikkiö (FI)
  • KÄRKI, Kaija
    05800 Hyvinkää (FI)
  • VIERTO, Raine
    05800 Hyvinkää (FI)
  • LAPPI, Ari
    05830 Hyvinkää (FI)

(74) Representative: Kespat Oy 
Vasarakatu 23a
40320 Jyväskylä
40320 Jyväskylä (FI)

   


(54) METHOD AND SYSTEM FOR ELIMINATING WATERBORNE PATHOGENIC MICROBES FROM A HYDROPONIC WATER SYSTEM DURING THE GROWING SEASON