(19)
(11) EP 4 798 661 A1

(12)

(43) Date of publication:
02.09.2026 Bulletin 2026/36

(21) Application number: 24791011.0

(22) Date of filing: 22.10.2024
(51) International Patent Classification (IPC): 
C09C 1/50(2006.01)
(52) Cooperative Patent Classification (CPC):
C09C 1/50; C04B 35/12; C04B 35/482; C04B 2235/3241; C04B 2235/79; C04B 2235/72; F27D 1/0006
(86) International application number:
PCT/EP2024/079837
(87) International publication number:
WO 2025/087909 (01.05.2025 Gazette 2025/18)
(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: 23.10.2023 EP 23205162

(71) Applicant: Orion Engineered Carbons IP GmbH & Co. KG
40789 Monheim (DE)

(72) Inventors:
  • SCHINKEL, Arndt-Peter
    56112 Lahnstein (DE)
  • SCHARFFENBERG-KAHLKE, Rudolf
    53879 Euskirchen (DE)
  • DETERS, David
    53173 Bonn (DE)

(74) Representative: f & e patent 
Braunsberger Feld 29
51429 Bergisch Gladbach
51429 Bergisch Gladbach (DE)

   


(54) HIGH TEMPERATURE REFRACTORY