(19)
(11) EP 4 359 496 A1

(12)

(43) Date of publication:
01.05.2024 Bulletin 2024/18

(21) Application number: 21737352.1

(22) Date of filing: 21.06.2021
(51) International Patent Classification (IPC): 
C11B 9/00(2006.01)
C07C 45/45(2006.01)
 C07C 49/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C11B 9/0015; C07C 49/04
(86) International application number:
PCT/EP2021/066809
(87) International publication number:
WO 2022/268285 (29.12.2022 Gazette 2022/52)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: Symrise AG
37603 Holzminden (DE)

(72) Inventors:
  • ONGOUTA, Jekaterina
    37627 Stadtoldendorf (DE)
  • BACKES, Michael
    37603 Holzminden (DE)
  • HEINEMEIER, Nadine
    37639 Bevern (DE)
  • RIESS, Thomas
    37603 Holzminden (DE)
  • KOPPE, Volkmar
    37671 Hoexter-Stahle (DE)
  • BRINKMANN, Caroline
    33758 Schloss-Holte-Stukenbrock (DE)

(74) Representative: Global IP Europe Patentanwaltskanzlei 
Pfarrstraße 14
80538 München
80538 München (DE)

   


(54) AROMA OR FRAGRANCE COMPOSITIONS, COMPRISING 4-METHYLHEPTAN-3-ONE, AND METHODS FOR PRODUCING THEM