(19)
(11) EP 4 565 366 A1

(12)

(43) Date of publication:
11.06.2025 Bulletin 2025/24

(21) Application number: 23761289.0

(22) Date of filing: 01.08.2023
(51) International Patent Classification (IPC): 
B01J 23/52(2006.01)
B01J 35/00(2024.01)
B01J 37/02(2006.01)
B01J 23/58(2006.01)
B01J 37/00(2006.01)
B01J 37/08(2006.01)
(52) Cooperative Patent Classification (CPC):
B01J 37/0045; B01J 23/58; B01J 23/44; B01J 23/52; B01J 37/0201; B01J 37/0203; B01J 37/0205; B01J 37/08; B01J 2235/30; B01J 2235/00; B01J 35/395
(86) International application number:
PCT/US2023/029226
(87) International publication number:
WO 2024/030439 (08.02.2024 Gazette 2024/06)
(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: 05.08.2022 US 202263395489 P

(71) Applicant: Celanese International Corporation
Irving, TX 75039 (US)

(72) Inventors:
  • CHEN, Laiyuan
    IRVING, Texas 75039 (US)
  • ALEXANDER, Steve R.
    IRVING, Texas 75039 (US)
  • SOMERVILLE, Stacey
    IRVING, Texas 75039 (US)
  • MUELLER, Sean
    IRVING, Texas 75039 (US)

(74) Representative: Simmons & Simmons LLP (Munich) 
Lehel Carré Gewürzmühlstraße 11
80538 Munich
80538 Munich (DE)

   


(54) CATALYST FOR OLEFIN ACETOXYLATION