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(11)

EP 2 547 517 A1

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(43) Date of publication: 23.01.2013 Bulletin 2013/04 (21) Application number: 10712834.0 (22) Date of filing: 19.03.2010

(51) International Patent Classification (IPC):  B32B 17/10(2006.01) H01L 31/042(2006.01) H01L 31/0216(2006.01) H01L 31/048(2006.01) (86) International application number: PCT/US2010/027979 (87) International publication number: WO 2011/115629 (22.09.2011 Gazette 2011/38)

(84) Designated Contracting States: 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 SE SI SK SM TR (71) Applicant: Solutia Inc. St. Louis, Missouri 63141 (US)	(72) Inventors: KORAN, Francois, Andre Longmeadow MA 01106 (US) NORTON, Stephen, Joseph Holyoke MA 01040 (US) TRAN, Khanh, Duc South Hadley MA 01075 (US) (74) Representative: Casbon, Paul Richard  Lucas & Co, 135 Westhall Road Warlingham, Surrey CR6 9HJ Warlingham, Surrey CR6 9HJ (GB)