(19)
(11) EP 4 816 089 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24818034.1

(22) Date of filing: 27.11.2024
(51) International Patent Classification (IPC): 
B01J 23/85(2006.01)
B01J 23/882(2006.01)
B01J 23/888(2006.01)
B01J 27/049(2006.01)
B01J 27/30(2006.01)
B01J 38/06(2006.01)
B01J 38/62(2006.01)
B01J 38/48(2006.01)
B01J 38/52(2006.01)
B01J 23/88(2006.01)
B01J 23/883(2006.01)
B01J 23/94(2006.01)
B01J 27/051(2006.01)
B01J 38/02(2006.01)
B01J 38/60(2006.01)
C10G 1/08(2006.01)
B01J 38/50(2006.01)
B01J 38/56(2006.01)
(52) Cooperative Patent Classification (CPC):
B01J 38/06; B01J 38/60; B01J 38/62; B01J 38/02; B01J 27/0515; B01J 27/051; B01J 27/049; B01J 27/30; B01J 23/8885; B01J 23/883; B01J 23/882; B01J 23/85; B01J 23/88; B01J 23/888; B01J 23/94; C10G 1/086; B01J 38/50; B01J 38/56; B01J 38/52; B01J 38/48
(86) International application number:
PCT/FI2024/050641
(87) International publication number:
WO 2025/114642 (05.06.2025 Gazette 2025/23)
(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: 28.11.2023 FI 20236314

(71) Applicant: Neste Oyj
02150 Espoo (FI)

(72) Inventors:
  • KAISALO, Noora
    06101 Porvoo (FI)
  • NURMI, Pekka
    06101 Porvoo (FI)
  • OENEMA, Jogchum
    06101 Porvoo (FI)
  • KUMAR, Hemanathan
    06101 Porvoo (FI)
  • KORHONEN, Esa
    06101 Porvoo (FI)
  • SAIRANEN, Emma
    06101 Porvoo (FI)
  • GOLDMANN, Werner
    06101 Porvoo (FI)

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

   


(54) METHOD FOR CATALYST REGENERATION, REGENERATED CATALYST OBTAINED THEREBY; ITS USE IN UPGRADING REACTION OF LIGNOCELLULOSE-BASED MATERIAL