(19)
(11) EP 4 483 006 A1

(12)

(43) Date of publication:
01.01.2025 Bulletin 2025/01

(21) Application number: 23705251.9

(22) Date of filing: 14.02.2023
(51) International Patent Classification (IPC): 
D01F 6/70(2006.01)
D01D 5/096(2006.01)
 D01D 5/08(2006.01)
(52) Cooperative Patent Classification (CPC):
D01F 6/70; D01D 5/08; D01D 5/096
(86) International application number:
PCT/EP2023/053574
(87) International publication number:
WO 2023/161074 (31.08.2023 Gazette 2023/35)
(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: 24.02.2022 WO PCT/CN2022/077711

(71) Applicant: BASF SE
67056 Ludwigshafen am Rhein (DE)

(72) Inventors:
  • YIN, De Hui
    Shanghai (CN)
  • YAN, Hui Zhi
    Shanghai (CN)
  • TANG, Qing Huai
    Shanghai (CN)
  • CHEN, Dian Jun
    Shanghai (CN)

(74) Representative: Maiwald GmbH 
Elisenhof Elisenstraße 3
80335 München
80335 München (DE)

   


(54) PROCESS OF PRODUCING A MULTI-FILAMENT, MULTI-FILAMENT PRODUCED THEREFROM AND USE OF THE MULTI-FILAMENT