(19)
(11) EP 4 565 626 A1

(12)

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

(21) Application number: 22956862.1

(22) Date of filing: 31.08.2022
(51) International Patent Classification (IPC): 
C08F 210/16(2006.01)
C08F 4/659(2006.01)
(52) Cooperative Patent Classification (CPC):
C08F 210/16; C08F 4/65912; C08F 4/65916; C08J 5/18; C08J 2323/08
 
C-Sets:
  1. C08F 210/16, C08F 4/65927;
  2. C08F 210/16, C08F 210/08, C08F 2500/055, C08F 2500/06, C08F 2500/09, C08F 2500/12, C08F 2500/26;
  3. C08F 210/16, C08F 210/08, C08F 2500/02, C08F 2500/055, C08F 2500/06, C08F 2500/09, C08F 2500/12, C08F 2500/26;

(86) International application number:
PCT/CN2022/116172
(87) International publication number:
WO 2024/045032 (07.03.2024 Gazette 2024/10)
(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

(71) Applicant: Univation Technologies, LLC
Houston, TX 77056 (US)

(72) Inventors:
  • LIU, Bo
    Lake Jackson, Texas 77566 (US)
  • CHEN, Feng
    Shanghai 201203 (CN)
  • ASKAR, Shadid
    Freeport, Texas 77541 (US)
  • HE, Chuan C.
    Lake Jackson, Texas 77566 (US)
  • CONG, Rongjuan
    Lake Jackson, Texas 77566 (US)
  • CHANDAK, Swapnil B.
    Pearland, Texas 77566 (US)

(74) Representative: Boult Wade Tennant LLP 
Salisbury Square House 8 Salisbury Square
London EC4Y 8AP
London EC4Y 8AP (GB)

   


(54) UNIMODAL LINEAR LOW-DENSITY ETHYLENE/1-BUTENE COPOLYMERS