(19)
(11) EP 4 816 345 A1

(12)

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

(21) Application number: 24812786.2

(22) Date of filing: 22.11.2024
(51) International Patent Classification (IPC): 
C07C 46/08(2006.01)
 C07C 50/02(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 46/08
 
C-Sets:
C07C 46/08, C07C 50/02;
(86) International application number:
PCT/EP2024/083350
(87) International publication number:
WO 2025/114165 (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: 01.12.2023 EP 23213722

(71) Applicant: DSM IP Assets B.V.
6221 BE Maastricht (NL)

(72) Inventors:
  • STETTLER, Marcel
    4303 Kaiseraugst (CH)
  • WUESTENBERG, Bettina
    4303 Kaiseraugst (CH)

(74) Representative: DSM IP ANH 
DSM Nutritional Products AG Wurmisweg 576
4303 Kaiseraugst
4303 Kaiseraugst (CH)

   


(54) METHOD FOR PRODUCING 2,3,5-TRIMETHYL BENZOQUINONE BY OXIDATION OF 2,3,6-TRIMETHYL PHENOL