(19)

(11)

EP 2 417 608 A1

(12)

(43) Date of publication: 15.02.2012 Bulletin 2012/07 (21) Application number: 10723425.4 (22) Date of filing: 30.03.2010

(51) International Patent Classification (IPC):  H01B 1/16(2006.01) C03C 8/18(2006.01) C03C 8/12(2006.01) H01L 31/0224(2006.01) (86) International application number: PCT/US2010/029181 (87) International publication number: WO 2010/117773 (14.10.2010 Gazette 2010/41)

(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 (30) Priority: 30.03.2009 US 164566 P (71) Applicant: E. I. du Pont de Nemours and Company Wilmington, DE 19898 (US)	(72) Inventors: LAUDISIO, Giovanna I-BS8 1AT Bristol (IT) YOUNG, Richard, John, Sheffield Bath somerset BA26NE (GB) WILLMOTT, Peter, James Pucklechurch South Gloucestershire BS16 9QQ (GB) HANG, Kenneth, Warren Hillsborough North CA 27278 (US) (74) Representative: DuPont Performance Coatings Biering/Blum/Kimpel  Christbusch 25 42285 Wuppertal 42285 Wuppertal (DE)