(19)
(11) EP 4 816 423 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24821702.8

(22) Date of filing: 21.11.2024
(51) International Patent Classification (IPC): 
C08F 210/06(2006.01)
C08L 23/10(2006.01)
C08F 4/659(2006.01)
 C08F 2/00(2006.01)
C08F 4/64(2006.01)
C08F 4/6592(2006.01)
(52) Cooperative Patent Classification (CPC):
C08F 210/06; C08F 4/65912; C08F 4/65916; C08L 2308/00; C08L 2314/06; C08L 2207/02; C08L 23/12
 
C-Sets:
  1. C08F 110/06, C08F 2500/12, C08F 2500/33, C08F 2500/34;
  2. C08F 110/06, C08F 2500/03, C08F 2500/12, C08F 2500/33, C08F 2500/34;
  3. C08F 210/06, C08F 210/16, C08F 2500/12, C08F 2500/15, C08F 2500/17, C08F 2500/27, C08F 2500/30, C08F 2500/31, C08F 2500/33, C08F 2500/34;
  4. C08F 210/06, C08F 210/16, C08F 2500/03, C08F 2500/12, C08F 2500/15, C08F 2500/27, C08F 2500/33, C08F 2500/34;
  5. C08F 210/06, C08F 210/16, C08F 2500/04, C08F 2500/12, C08F 2500/15, C08F 2500/27, C08F 2500/30, C08F 2500/31, C08F 2500/33, C08F 2500/34;
  6. C08L 23/12, C08L 23/16;
  7. C08F 210/06, C08F 210/18, C08F 236/20, C08F 2500/12, C08F 2500/15, C08F 2500/17, C08F 2500/27, C08F 2500/30, C08F 2500/31, C08F 2500/33, C08F 2500/34;
  8. C08F 210/06, C08F 2/001;
  9. C08F 210/06, C08F 210/16, C08F 2500/02, C08F 2500/04, C08F 2500/27;
  10. C08F 210/06, C08F 4/65904;
  11. C08F 210/06, C08F 210/16, C08F 2500/02, C08F 2500/03, C08F 2500/27;
  12. C08F 210/06, C08F 4/64158;
  13. C08F 210/06, C08F 4/64158, C08F 4/65927;
(86) International application number:
PCT/US2024/056911
(87) International publication number:
WO 2025/117332 (05.06.2025 Gazette 2025/23)
(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:
GE KH MA MD TN

(30) Priority: 01.12.2023 US 202363604999 P

(71) Applicant: ExxonMobil Technology and Engineering Company
Spring, TX 77389 (US)

(72) Inventors:
  • LAMBIC, Nikola S.
    Seabrook, Texas 77586 (US)
  • LOVELL, Jacqueline A.
    Crosby, Texas 77532 (US)
  • LUO, Lubin
    Houston, Texas 77059 (US)
  • CANICH, Jo Ann M.
    Houston, Texas 77059 (US)

(74) Representative: ExxonMobil Petroleum & Chemical BV 
IP Law Europe Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) METHODS FOR PRODUCING IMPACT COPOLYMERS USING DIANIONIC COMPLEXES CONTAINING EIGHT-MEMBERED CHELATE RINGS