(19)
(11) EP 4 561 982 A1

(12)

(43) Date of publication:
04.06.2025 Bulletin 2025/23

(21) Application number: 23728842.8

(22) Date of filing: 12.06.2023
(51) International Patent Classification (IPC): 
C07C 67/54(2006.01)
C07C 69/24(2006.01)
 C07C 67/08(2006.01)
B01D 3/14(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 67/54; C07C 67/08; B01D 3/141
 
C-Sets:
  1. C07C 67/54, C07C 69/24;
  2. C07C 67/08, C07C 69/24;
(86) International application number:
PCT/EP2023/065688
(87) International publication number:
WO 2024/022667 (01.02.2024 Gazette 2024/05)
(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:
KH MA MD TN

(30) Priority: 25.07.2022 EP 22186662

(71) Applicant: Sulzer Management AG
8401 Winterthur (CH)

(72) Inventors:
  • FAESSLER, Peter
    4123 Allschwil (CH)
  • CHAN, Kor Weai
    Singapore 308162 (SG)
  • TOH, JiaPing
    Woodlands Drive 72, 07-40 Singapore 738094 (SG)

(74) Representative: IPS Irsch AG 
Langfeldstrasse 88
8500 Frauenfeld
8500 Frauenfeld (CH)

   


(54) METHOD AND PLANT FOR PURIFYING A FATTY ACID ISOPROPYL ESTER AND FOR PRODUCING PURE FATTY ACID ISOPROPYL ESTER