Melt spun cellulose based fibers

Pia Willberg-Keyriläinen; Jarmo Ropponen; Tero Malm; Teijo Rokkonen; Ali Harlin

Melt spun cellulose based fibers

Pia Willberg-Keyriläinen (Inventor)
, Jarmo Ropponen (Inventor)
, Tero Malm (Inventor)
, Teijo Rokkonen (Inventor)
, Ali Harlin (Inventor)

Research output: Patent › Patent

Abstract

According to an example aspect of the present invention, there is provided a melt spinning method of cellulose based fibers with controlled molar masses and different side lengths, and continuous melt spun cellulose fibers thereof.

Patent family as of 21.7.2026
CL2022001797 A1, EP4085161 A1, JP2023508600 T2, JP7766600 B2, US2023235483 AA, WO21136885 A1

Original language	English
Patent number	JP7766600 B2
IPC	C08B3/10
Priority date	3/01/20
Filing date	4/01/21
Publication status	Published - 10 Nov 2025
MoE publication type	H1 Granted patent

Cite this

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title = "Melt spun cellulose based fibers",

abstract = "According to an example aspect of the present invention, there is provided a melt spinning method of cellulose based fibers with controlled molar masses and different side lengths, and continuous melt spun cellulose fibers thereof. Patent family as of 21.7.2026 CL2022001797 A1, EP4085161 A1, JP2023508600 T2, JP7766600 B2, US2023235483 AA, WO21136885 A1 ",

author = "Pia Willberg-Keyril{\"a}inen and Jarmo Ropponen and Tero Malm and Teijo Rokkonen and Ali Harlin",

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T1 - Melt spun cellulose based fibers

AU - Willberg-Keyriläinen, Pia

AU - Ropponen, Jarmo

AU - Malm, Tero

AU - Rokkonen, Teijo

AU - Harlin, Ali

PY - 2025/11/10

Y1 - 2025/11/10

N2 - According to an example aspect of the present invention, there is provided a melt spinning method of cellulose based fibers with controlled molar masses and different side lengths, and continuous melt spun cellulose fibers thereof. Patent family as of 21.7.2026 CL2022001797 A1, EP4085161 A1, JP2023508600 T2, JP7766600 B2, US2023235483 AA, WO21136885 A1

AB - According to an example aspect of the present invention, there is provided a melt spinning method of cellulose based fibers with controlled molar masses and different side lengths, and continuous melt spun cellulose fibers thereof. Patent family as of 21.7.2026 CL2022001797 A1, EP4085161 A1, JP2023508600 T2, JP7766600 B2, US2023235483 AA, WO21136885 A1

UR - https://fi.espacenet.com/publicationDetails/biblio?II=0&ND=3&adjacent=true&locale=fi_FI&FT=D&date=20230727&CC=US&NR=2023235483A1&KC=A1

M3 - Patent

M1 - JP7766600 B2

Y2 - 2021/01/04

ER -

Melt spun cellulose based fibers

Abstract

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