(19)

(11)

EP 2 742 082 A1

(12)

(43) Date of publication: 18.06.2014 Bulletin 2014/25 (21) Application number: 12745959.2 (22) Date of filing: 31.07.2012

(51) International Patent Classification (IPC):  C08G 65/30(2006.01) (86) International application number: PCT/US2012/048915 (87) International publication number: WO 2013/022644 (14.02.2013 Gazette 2013/07)

(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: 10.08.2011 US 201161521881 P 28.10.2011 CN 201110333757 (71) Applicant: Invista Technologies S.à.r.l. 9000 St. Gallen (CH)	(72) Inventor: DORAI, Suri, N. Weston Lakes, TX 77441 (US) (74) Representative: Cockerton, Bruce Roger  Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA London WC1B 5HA (GB)