(19)
(11) EP 4 816 428 A1

(12)

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

(21) Application number: 24866559.8

(22) Date of filing: 27.11.2024
(51) International Patent Classification (IPC): 
C08F 293/00(2006.01)
C08F 212/14(2006.01)
 C08F 212/08(2006.01)
C08F 220/18(2006.01)
(52) Cooperative Patent Classification (CPC):
C08F 2438/00; C08F 293/005; C08F 212/30; C08F 212/08; C08F 220/1804; C08F 220/30
 
C-Sets:
  1. C08F 220/1804, C08F 212/08, C08F 212/30;
  2. C08F 220/30, C08F 212/08, C08F 212/30;
(86) International application number:
PCT/CN2024/134766
(87) International publication number:
WO 2025/113468 (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: 28.11.2023 WO PCT/CN2023/134785

(71) Applicants:
  • BASF SE
    67056 Ludwigshafen am Rhein (DE)
  • Nanyang Technological University
    Singapore 639798 (SG)

(72) Inventors:
  • MAO, Wei Jia
    Shanghai 200137 (CN)
  • PENG, Bo
    Shanghai 200137 (CN)
  • GOTO, Atsushi
    Singapore 639798 (SG)
  • ZENG, Zhong
    Shanghai 200137 (CN)
  • TAY, Xiu Ting
    Singapore 639798 (SG)
  • JIANG, Bo
    Singapore 639798 (SG)

(74) Representative: Meissner Bolte Partnerschaft mbB 
Patentanwälte Rechtsanwälte Postfach 86 06 24
81633 München
81633 München (DE)

   


(54) PROCESS OF PREPARING A BLOCK COPOLYMER AND THE BLOCK COPOLYMER OBTAINED THEREFROM