(19)
(11) EP 4 824 344 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24903066.9

(22) Date of filing: 06.12.2024
(51) International Patent Classification (IPC): 
D21H 11/18(2006.01)
D21F 7/00(2006.01)
D21H 23/44(2006.01)
 C08J 5/18(2006.01)
D21G 7/00(2006.01)
(52) Cooperative Patent Classification (CPC):
D21H 11/18; D21F 9/00; D21F 11/00; D21C 9/001
(86) International application number:
PCT/IB2024/062302
(87) International publication number:
WO 2025/126002 (19.06.2025 Gazette 2025/25)
(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: 15.12.2023 SE 2330560

(71) Applicant: Stora Enso Oyj
00101 Helsinki (FI)

(72) Inventors:
  • NYLÉN, Otto
    00420 Helsinki (FI)
  • SVENSSON, Adrianna
    656 38 Karlstad (SE)
  • BYSTRÖM, Cornelia
    117 37 Stockholm (SE)

(74) Representative: Steinrud, Henrik 
Stora Enso AB Group Intellectual Property Box 9090
65009 Karlstad
65009 Karlstad (SE)

   


(54) A METHOD FOR PRODUCING A MICROFIBRILLATED CELLULOSE WEB