(19)

(11)

EP 2 643 508 A1

(12)

(43) Date of publication: 02.10.2013 Bulletin 2013/40 (21) Application number: 11793645.0 (22) Date of filing: 07.11.2011

(51) International Patent Classification (IPC):  D02G 3/04(2006.01) D02G 3/44(2006.01) (86) International application number: PCT/AT2011/000448 (87) International publication number: WO 2012/068600 (31.05.2012 Gazette 2012/22)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 24.11.2010 AT 19532010 (71) Applicant: Lenzing AG 4860 Lenzing (AT)	(72) Inventors: GSTETTNER, Alexander A-4663 Laakirchen (AT) BURROW, Tom Derby DE73 6NJ (GB) MATHES, Ulf A-4690 Schwanenstadt (AT) (74) Representative: Hanemann, Otto  Lenzing AG Werkstraße 2 A-4860 Lenzing A-4860 Lenzing (AT)