(19)
(11) EP 4 561 753 A1

(12)

(43) Date of publication:
04.06.2025 Bulletin 2025/23

(21) Application number: 23777266.0

(22) Date of filing: 26.09.2023
(51) International Patent Classification (IPC): 
B02C 18/14(2006.01)
D21B 1/34(2006.01)
 D21B 1/30(2006.01)
(52) Cooperative Patent Classification (CPC):
D21B 1/30; D21B 1/34; B02C 18/142
(86) International application number:
PCT/EP2023/076584
(87) International publication number:
WO 2024/068657 (04.04.2024 Gazette 2024/14)
(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: 27.09.2022 GB 202214098

(71) Applicant: Zelfo Technology GmbH
16247 Joachimsthal (DE)

(72) Inventors:
  • HURDING, Richard
    16247 Brandenburg (DE)
  • BATTEN, Neil
    Mitcheldean Gloucestershire GL17 0DD (GB)

(74) Representative: Corbyn, David Jonathan 
Bailey Walsh & Co LLP 1 York Place
Leeds, LS1 2DR
Leeds, LS1 2DR (GB)

   


(54) APPARATUS AND METHOD FOR DEFIBRILLATING AND/OR DEFIBERING CELLULOSE FIBRES AND/OR LIGNO-CELLULOSIC FIBRES