(19)
(11) EP 4 816 349 A1

(12)

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

(21) Application number: 24804562.7

(22) Date of filing: 14.11.2024
(51) International Patent Classification (IPC): 
C07C 219/08(2006.01)
C07C 213/08(2006.01)
 C07C 213/06(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 213/06; C07C 213/08; C07C 219/08
 
C-Sets:
  1. C07C 213/06, C07C 219/08;
  2. C07C 213/08, C07C 219/08;
(86) International application number:
PCT/EP2024/082308
(87) International publication number:
WO 2025/114017 (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: 30.11.2023 EP 23213189

(71) Applicant: Evonik Operations GmbH
45128 Essen (DE)

(72) Inventors:
  • GÖBEL, Dominik
    63457 Hanau (DE)
  • KRAUS, Erich
    63075 Offenbach (DE)
  • DETLEFSEN, Sebastian
    18209 Bartenshagen-Parkentin (DE)

(74) Representative: Evonik Patent Association 
c/o Evonik Industries AG IP Management Postcode 84/339 Rodenbacher Chaussee 4
63457 Hanau
63457 Hanau (DE)

   


(54) METHOD OF MANUFACTURING A TETRAALKYLAMMONIUM SALT