(19)
(11) EP 4 381 121 A1

(12)

(43) Date of publication:
12.06.2024 Bulletin 2024/24

(21) Application number: 22777304.1

(22) Date of filing: 26.07.2022
(51) International Patent Classification (IPC): 
D01F 6/70(2006.01)
D01D 5/04(2006.01)
 D01F 6/72(2006.01)
(52) Cooperative Patent Classification (CPC):
D01F 6/70; D01F 6/72; D01D 5/04
(86) International application number:
PCT/IB2022/056879
(87) International publication number:
WO 2023/012582 (09.02.2023 Gazette 2023/06)
(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

(30) Priority: 03.08.2021 JP 2021127241

(71) Applicant: Toray Opelontex Co., Ltd
Osaka 530-8222 (JP)

(72) Inventors:
  • TAKAYAMA, Hiroshi
    Otushi, Shiga 520-8558 (JP)
  • HARA, Masashi
    Otsushi, Shiga 520-8558 (JP)

(74) Representative: Carpmaels & Ransford LLP 
One Southampton Row
London WC1B 5HA
London WC1B 5HA (GB)

   


(54) POLYURETHANE UREA ELASTIC FIBER AND PRODUCTION METHOD THEREFOR