(19)
(11) EP 4 460 594 A1

(12)

(43) Date of publication:
13.11.2024 Bulletin 2024/46

(21) Application number: 23700143.3

(22) Date of filing: 05.01.2023
(51) International Patent Classification (IPC): 
D01D 5/06(2006.01)
C08B 16/00(2006.01)
D01F 13/02(2006.01)
 C08B 15/06(2006.01)
D01F 2/02(2006.01)
D01G 1/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C08B 15/06; D01D 5/06; D01F 2/02; D01F 13/02; C08B 16/00
(86) International application number:
PCT/FI2023/050008
(87) International publication number:
WO 2023/131746 (13.07.2023 Gazette 2023/28)
(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: 07.01.2022 FI 20225010

(71) Applicant: Infinited Fiber Company Oy
02150 Espoo (FI)

(72) Inventors:
  • SIREN, Sakari
    02150 Espoo (FI)
  • MALANIN, Erkki
    02150 Espoo (FI)
  • VEIJOLA, Elias
    02150 Espoo (FI)

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

   


(54) METHOD OF PRODUCING CELLULOSE CARBAMATE FILAMENTS OR FIBRES