(19)
(11) EP 4 476 285 A1

(12)

(43) Date of publication:
18.12.2024 Bulletin 2024/51

(21) Application number: 22859563.3

(22) Date of filing: 14.12.2022
(51) International Patent Classification (IPC): 
C08L 23/04(2006.01)
C08L 23/08(2006.01)
(52) Cooperative Patent Classification (CPC):
C08L 23/08; C08L 2203/16; C08L 2205/02; C08L 2205/03; C08L 2205/06; C08L 2310/00; C08L 2666/14
 
C-Sets:
C08L 23/08, C08L 23/08, C08L 71/02;
(86) International application number:
PCT/US2022/081540
(87) International publication number:
WO 2023/149985 (10.08.2023 Gazette 2023/32)
(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: 07.02.2022 US 202263267640 P
14.02.2022 US 202263309859 P
14.02.2022 US 202263309871 P
20.06.2022 US 202263366678 P
29.06.2022 US 202263367241 P
30.06.2022 US 202263367425 P

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

(72) Inventors:
  • RUOCCO, Nino
    Houston, TX 77062 (US)
  • LEAF, Michael, A.
    Baytown, TX 77523 (US)
  • VAN HOYWEGHEN, Danny
    3001 Heverlee (BE)
  • DEHLINGER, Stephen, E.
    Seabrook, TX 77586 (US)

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

   


(54) POLYETHYLENE GLYCOL-BASED POLYMER PROCESSING AIDS