(19)
(11) EP 4 680 906 A1

(12)

(43) Date of publication:
21.01.2026 Bulletin 2026/04

(21) Application number: 24711228.7

(22) Date of filing: 18.03.2024
(51) International Patent Classification (IPC): 
F27B 9/02(2006.01)
F27B 9/04(2006.01)
F27B 9/20(2006.01)
 C01B 32/205(2017.01)
F27B 9/14(2006.01)
F27B 9/30(2006.01)
(52) Cooperative Patent Classification (CPC):
F27B 9/14; F27B 2009/2484; F27B 9/20; F27B 9/30; F27B 9/02; F27B 9/028; F27B 9/045; C01B 32/205
(86) International application number:
PCT/EP2024/057104
(87) International publication number:
WO 2024/194231 (26.09.2024 Gazette 2024/39)
(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 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: 17.03.2023 EP 23162617

(71) Applicant: SGL Carbon SE
65201 Wiesbaden (DE)

(72) Inventors:
  • ALDRIAN, Patrick
    8541 Bad Schwanberg (AT)
  • JOKANOVIC, Bojan
    86405 Meitingen (DE)
  • KLUG, Herbert
    8530 Deutschlandberg (AT)
  • LOSHER, Richard
    86405 Meitingen (DE)
  • SACKL, Heinz
    8541 Bad Schwanberg (AT)
  • SCHREINER, Christian
    86405 Meitingen (DE)
  • SCHREINER, Tino
    86405 Meitingen (DE)
  • SCHWEIGHART, Marko
    8410 Wildon (AT)

   


(54) CASCADING GRAPHITZIATION FURNACE