(19)

(11)

EP 2 686 476 A2

(12)

(88) Date of publication A3: 20.12.2012 (43) Date of publication: 22.01.2014 Bulletin 2014/04 (21) Application number: 12757287.3 (22) Date of filing: 15.03.2012

(51) International Patent Classification (IPC):  D06M 15/277(2006.01) D06M 15/263(2006.01) D06B 3/08(2006.01) (86) International application number: PCT/US2012/029151 (87) International publication number: WO 2012/125777 (20.09.2012 Gazette 2012/38)

(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: 16.03.2011 US 201161453326 P (71) Applicant: Invista Technologies S.a r.l. 9000 St. Gallen (CH)	(72) Inventors: TUNG, Wae-Hai Marietta GA 30062-1377 (US) RITTENHOUSE, Ronnie Calhoun GA 30701 (US) REYNOLDS, Daniel Chattanooga TN 37421 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)