(19)
(11) EP 4 247 534 A1

(12)

(43) Date of publication:
27.09.2023 Bulletin 2023/39

(21) Application number: 21823708.9

(22) Date of filing: 01.11.2021
(51) International Patent Classification (IPC): 
B01J 8/18(2006.01)
C08F 4/6592(2006.01)
B01J 19/00(2006.01)
C08F 10/00(2006.01)
(52) Cooperative Patent Classification (CPC):
B01J 8/1809; B01J 8/1827; B01J 19/0026; B01J 2208/00716; B01J 2208/00991; C08F 10/00; B01J 2208/0061; B01J 2208/00079; B01J 2219/00067; B01J 2219/00182; B01J 2219/32268; B01J 2208/00707
 
C-Sets:
C08F 10/00, C08F 4/6592;
(86) International application number:
PCT/US2021/072154
(87) International publication number:
WO 2022/109518 (27.05.2022 Gazette 2022/21)
(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

(30) Priority: 17.11.2020 US 202063114708 P

(71) Applicant: ExxonMobil Chemical Patents Inc.
Baytown TX 77520-2101 (US)

(72) Inventors:
  • SIELOFF, Michael, E.
    Houston, TX 77006 (US)
  • HOLVECK, Jerome
    76170 Lillebonne (FR)
  • LEVASSEUR, Roland
    76480 Le Maupas Duclair (FR)
  • DECHELLIS, Marc, L.
    Houston, TX 77062 (US)
  • IMPELMAN, Ryan, W.
    Houston, TX 77044 (US)
  • ACKERMAN, Randy
    Baytown, TX 77523 (US)

(74) Representative: ExxonMobil Chemical Europe Inc. 
IP Law Europe Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) GAS PHASE REACTOR STARTUP PROCESS