(19)

(11)

EP 2 739 776 A2

(12)

(88) Date of publication A3: 23.05.2013 (43) Date of publication: 11.06.2014 Bulletin 2014/24 (21) Application number: 12836904.8 (22) Date of filing: 24.09.2012

(51) International Patent Classification (IPC):  D06B 3/04(2006.01) D06M 13/248(2006.01) D06P 1/39(2006.01) D06M 11/77(2006.01) (86) International application number: PCT/US2012/056856 (87) International publication number: WO 2013/048946 (04.04.2013 Gazette 2013/14)

(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: 26.09.2011 US 201161539284 P (71) Applicant: Invista Technologies S.à.r.l. 9000 St. Gallen (CH)	(72) Inventors: TUNG, Wae-Hai Marietta, GA 30062 (US) RITTENHOUSE, Ronnie NE, Calhoun, GA 30701 (US) REYNOLDS, Daniel, R. Chattanooga, TN 37421 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)