Global Patent Index - EP 3867425 A1

EP 3867425 A1 20210825 - STRETCHED AROMATIC POLYETHERS

Title (en)

STRETCHED AROMATIC POLYETHERS

Title (de)

GERECKTE AROMATISCHE POLYETHER

Title (fr)

POLYÉTHERS AROMATIQUES ÉTIRÉS

Publication

EP 3867425 A1 20210825 (DE)

Application

EP 19786355 A 20191017

Priority

  • EP 18200966 A 20181017
  • EP 2019078159 W 20191017

Abstract (en)

[origin: CA3116269A1] Disclosed are stretched filaments based on aromatic polyethers, said filaments being stretched at a temperature between the glass transition temperature and the melting point and being cooled at the full tensile load to a temperature below the glass transition temperature. Also disclosed are a process for manufacturing said filaments as well as the use thereof.

IPC 8 full level

D01D 10/02 (2006.01); C08G 65/40 (2006.01); D01F 6/66 (2006.01); D02J 1/22 (2006.01)

CPC (source: EP KR US)

C08G 65/4012 (2013.01 - EP KR US); D01D 5/088 (2013.01 - KR); D01D 5/098 (2013.01 - KR); D01D 10/02 (2013.01 - EP KR US); D01F 6/665 (2013.01 - EP KR US); D02J 1/224 (2013.01 - EP KR US); C08G 2650/40 (2013.01 - EP KR)

Designated contracting state (EPC)

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 state (EPC)

BA ME

DOCDB simple family (publication)

EP 3640376 A1 20200422; AR 116735 A1 20210609; BR 112021007106 A2 20210720; CA 3116269 A1 20200423; CN 112955589 A 20210611; CN 112955589 B 20230623; EP 3867425 A1 20210825; JP 2022504891 A 20220113; JP 7441831 B2 20240301; KR 20210072087 A 20210616; MX 2021004362 A 20210531; US 2021332507 A1 20211028; WO 2020079121 A1 20200423

DOCDB simple family (application)

EP 18200966 A 20181017; AR P190102948 A 20191017; BR 112021007106 A 20191017; CA 3116269 A 20191017; CN 201980068376 A 20191017; EP 19786355 A 20191017; EP 2019078159 W 20191017; JP 2021520388 A 20191017; KR 20217014256 A 20191017; MX 2021004362 A 20191017; US 201917284151 A 20191017