(19)
(11) EP 4 816 416 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24821113.8

(22) Date of filing: 29.11.2024
(51) International Patent Classification (IPC): 
C08B 31/12(2006.01)
 C02F 1/56(2023.01)
(52) Cooperative Patent Classification (CPC):
C08B 31/125; C02F 1/56
(86) International application number:
PCT/FI2024/050649
(87) International publication number:
WO 2025/114647 (05.06.2025 Gazette 2025/23)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 01.12.2023 FI 20236331

(71) Applicant: Kemira OYJ
00180 Helsinki (FI)

(72) Inventors:
  • TOURONEN, Jouni
    02271 Espoo (FI)
  • NIKKARINEN, Jussi
    02271 Espoo (FI)
  • AHLGREN, Jonni
    02271 Espoo (FI)
  • WILLBERG-KEYRILÄINEN, Pia
    02044 VTT (FI)

(74) Representative: Berggren Oy 
P.O. Box 16 Fabianinkatu 21
00101 Helsinki
00101 Helsinki (FI)

   


(54) METHOD FOR PRODUCING CATIONIZED STARCH, CATIONIZED STARCH AND ITS USE