Global Patent Index - EP 1544331 B1

EP 1544331 B1 20090909 - Polyester fibres, process for their production and their use.

Title (en)

Polyester fibres, process for their production and their use.

Title (de)

Polyesterfasern, Verfahren zu deren Herstellung und deren Verwendung

Title (fr)

Fibres de polyester, leur procédé de fabrication et leur utilisation

Publication

EP 1544331 B1 20090909 (DE)

Application

EP 04027655 A 20041122

Priority

DE 10359763 A 20031219

Abstract (en)

[origin: EP1544331A1] Polyester fibres (I) with a free carboxyl group content of not more than 3 meq/kg, stabilised with an epoxide composition (II) containing epoxidised fatty acid ester(s) with an epoxide content of at least 1.5 wt.% based on (II). Independent claims are also included for the following: (1) a method for the production of (I) by mixing polyester granules with (II), extruding the mixture through a spinneret and drawing off the fibres; and (2) a method for the production of (I) by adding (II) before or during the polycondensation process and then extruding and processing the mixture as above.

IPC 8 full level

B65G 15/32 (2006.01); D01F 6/62 (2006.01); D01F 6/92 (2006.01); D03D 1/00 (2006.01); D03D 15/00 (2006.01)

CPC (source: EP US)

D01F 6/62 (2013.01 - EP US); D01F 6/92 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1544331 A1 20050622; EP 1544331 B1 20090909; AT E442469 T1 20090915; DE 10359763 A1 20050728; DE 10359763 B4 20071122; DE 502004010034 D1 20091022; ES 2332718 T3 20100211; JP 2005179879 A 20050707; PT 1544331 E 20091123; US 2005137299 A1 20050623

DOCDB simple family (application)

EP 04027655 A 20041122; AT 04027655 T 20041122; DE 10359763 A 20031219; DE 502004010034 T 20041122; ES 04027655 T 20041122; JP 2004365326 A 20041217; PT 04027655 T 20041122; US 1311404 A 20041215