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(11)

EP 2 742 175 A1

(12)

(43) Date of publication: 18.06.2014 Bulletin 2014/25 (21) Application number: 12830045.6 (22) Date of filing: 31.08.2012

(51) International Patent Classification (IPC):  D03D 15/00(2006.01) D02G 1/12(2006.01) D02G 1/14(2006.01) D02G 1/16(2006.01) D02G 1/10(2006.01) D01D 5/253(2006.01) (86) International application number: PCT/US2012/053363 (87) International publication number: WO 2013/036449 (14.03.2013 Gazette 2013/11)

(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: 07.09.2011 US 201161531726 P (71) Applicant: Invista Technologies S.à.r.l. 9000 St. Gallen (CH)	(72) Inventors: DEMPSTER, David, S. Kingston, ON K7M 9H5 (CA) MORTIMER, Allen, W. Hixson, TN 37343 (US) BARNES, Todd, C. Kingston, ON K7M 8W1 (CA) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)