(19)
(11) EP 4 816 466 A1

(12)

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

(21) Application number: 24820472.9

(22) Date of filing: 19.11.2024
(51) International Patent Classification (IPC): 
C08L 23/0807(2025.01)
(52) Cooperative Patent Classification (CPC):
C08L 2207/20; C08L 2205/025; C08L 2207/062; C08L 23/0815
 
C-Sets:
C08L 23/0815, C08L 23/0815, C08L 23/0815;
(86) International application number:
PCT/IB2024/061570
(87) International publication number:
WO 2025/114813 (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: 29.11.2023 US 202363604007 P

(71) Applicant: Nova Chemicals (International) S.A.
1700 Fribourg (CH)

(72) Inventors:
  • BELLEHUMEUR, Celine
    Calgary, Alberta T2E 7K7 (CA)
  • RAJKOVIC, Anna
    Calgary, Alberta T2E 7K7 (CA)
  • HAY, Henry
    Calgary, Alberta T2E 7K7 (CA)
  • LI, Tracy
    Calgary, Alberta T2E 7K7 (CA)

(74) Representative: Mewburn Ellis LLP 
Aurora Building Counterslip
Bristol BS1 6BX
Bristol BS1 6BX (GB)

   


(54) POLYETHYLENE AND RECYCLED POLYETHYLENE BLEND COMPOSITIONS WITH IMPROVED TOUGHNESS