(19)
(11) EP 3 697 950 A1

(12)

(43) Date of publication:
26.08.2020 Bulletin 2020/35

(21) Application number: 18804034.9

(22) Date of filing: 22.10.2018
(51) International Patent Classification (IPC): 
D01F 2/02(2006.01)
D01D 5/06(2006.01)
(86) International application number:
PCT/FI2018/050770
(87) International publication number:
WO 2019/077208 (25.04.2019 Gazette 2019/17)
(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: 20.10.2017 FI 20175927

(71) Applicants:
  • Teknologian Tutkimuskeskus VTT OY
    02150 Espoo (FI)
  • Aalto Korkeakoulusäätiö SR
    00076 Aalto (FI)

(72) Inventors:
  • ORELMA, Hannes
    02044 VTT (FI)
  • HARLIN, Ali
    02044 VTT (FI)
  • RAUTKOSKI, Hille
    02044 VTT (FI)
  • KLAR, Ville
    AALTO 00076 (FI)

(74) Representative: Laine IP Oy 
Porkkalankatu 24
00180 Helsinki
00180 Helsinki (FI)

   


(54) METHOD FOR PRODUCING WOOD-BASED YARN FILAMENTS