(19)
(11) EP 4 313 879 A1

(12)

(43) Date of publication:
07.02.2024 Bulletin 2024/06

(21) Application number: 22712956.6

(22) Date of filing: 21.03.2022
(51) International Patent Classification (IPC): 
C02F 1/70(2023.01)
C02F 103/30(2006.01)
C02F 101/12(2006.01)
C02F 3/02(2023.01)
 C02F 3/28(2023.01)
C02F 103/28(2006.01)
C02F 1/66(2023.01)
(52) Cooperative Patent Classification (CPC):
C02F 1/70; C02F 2101/12; C02F 2303/02; C02F 2103/30; C02F 2103/28; C02F 1/66; C02F 3/02; C02F 3/28
(86) International application number:
PCT/FI2022/050181
(87) International publication number:
WO 2022/200683 (29.09.2022 Gazette 2022/39)
(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: 26.03.2021 FI 20215350

(71) Applicant: UPM-Kymmene Corporation
00100 Helsinki (FI)

(72) Inventors:
  • DE LOS SANTOS, Ernesto
    00100 Helsinki (FI)
  • PAOLINO, Miguel
    00100 Helsinki (FI)
  • ECHEVARRIA, Lorena
    00100 Helsinki (FI)
  • GUBITOSI, María
    00100 Helsinki (FI)
  • CAME, Darío
    00100 Helsinki (FI)
  • TRAVERS, Dayana
    00100 Helsinki (FI)
  • GONZÁLEZ, Gervasio
    00100 Helsinki (FI)
  • VIGNOLA, Valentina
    00100 Helsinki (FI)
  • MENDEZ, Maite
    00100 Helsinki (FI)
  • RAGGHIANTI, Jonathan
    00100 Helsinki (FI)

(74) Representative: Papula Oy 
P.O. Box 981
00101 Helsinki
00101 Helsinki (FI)

   


(54) METHOD FOR REDUCING THE AMOUNT OF CHLORATE IN WASTEWATER