(19)
(11) EP 4 448 863 A1

(12)

(43) Date of publication:
23.10.2024 Bulletin 2024/43

(21) Application number: 22839177.7

(22) Date of filing: 14.12.2022
(51) International Patent Classification (IPC): 
D21C 1/04(2006.01)
D21C 3/22(2006.01)
 D21C 3/04(2006.01)
D21C 11/00(2006.01)
(52) Cooperative Patent Classification (CPC):
D21C 1/04; D21C 3/04; D21C 3/22; D21C 11/0007
(86) International application number:
PCT/EP2022/085836
(87) International publication number:
WO 2023/111009 (22.06.2023 Gazette 2023/25)
(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:
KH MA MD TN

(30) Priority: 14.12.2021 FI 20216275

(71) Applicant: Chempolis Oy
90660 Oulu (FI)

(72) Inventors:
  • ROUSU, Päivi
    90660 Oulu (FI)
  • KUPIAINEN, Laura
    90660 Oulu (FI)
  • ROUHIAINEN, Maija
    90660 Oulu (FI)
  • ANTTILA, Juha Rainer
    90660 Oulu (FI)

(74) Representative: Kolster Oy Ab 
Salmisaarenaukio 1 P.O. Box 204
00181 Helsinki
00181 Helsinki (FI)

   


(54) METHOD OF AND APPARATUS FOR PROCESSING BIOMASS