Global Patent Index - EP 0675222 A3

EP 0675222 A3 19970820 - Sized aramid fibres and their use.

Title (en)

Sized aramid fibres and their use.

Title (de)

Präparationshaltige Aramidfasern und deren Verwendung.

Title (fr)

Fibres d'aramide usinées et leur utilisation.

Publication

EP 0675222 A3 19970820 (DE)

Application

EP 95103743 A 19950315

Priority

DE 4410708 A 19940328

Abstract (en)

[origin: DE4410708C1] Aramid fibre contains 0.5-4 wt.% w.r.t. the fibre, of a prepn. contg. a polyether-ester of formula (I) and/or (II) and an amino-acid betaine of formula (III): R<1>-COO-(R<2>-O)x-R<3> (I); R<3>-(O-R<2>)x-OOC-R<4>-COO-(R<2>-O)x-R<3> (II); R<5>R<6>RN<+>-R<8>-COO<-> (III): R<1>, R<5> = 8-18C alk(en)yl; x = 4-20 R<2> = butylene, propylene or ethylene; R<4> = 8-18C alk(en)ylene; R<6>,R<7> = 1-12C alkyl; R<8>= 1-4C alkylene.

IPC 1-7

D06M 13/224; D06M 13/342

IPC 8 full level

D01F 6/60 (2006.01); D06M 13/17 (2006.01); D06M 13/224 (2006.01); D06M 13/342 (2006.01)

CPC (source: EP US)

D01F 6/605 (2013.01 - EP US); D06M 13/17 (2013.01 - EP US); D06M 13/224 (2013.01 - EP US); D06M 13/2246 (2013.01 - EP US); D06M 13/342 (2013.01 - EP US); Y10T 428/2913 (2015.01 - EP US); Y10T 428/2933 (2015.01 - EP US); Y10T 428/2938 (2015.01 - EP US); Y10T 428/2969 (2015.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT DE FR GB IT NL

DOCDB simple family (publication)

DE 4410708 C1 19950713; EP 0675222 A2 19951004; EP 0675222 A3 19970820; US 5674615 A 19971007

DOCDB simple family (application)

DE 4410708 A 19940328; EP 95103743 A 19950315; US 41004195 A 19950324