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(11)

EP 1 633 559 A1

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(43) Date of publication: 15.03.2006 Bulletin 2006/11 (21) Application number: 04776628.2 (22) Date of filing: 14.06.2004

(51) International Patent Classification (IPC):  B32B 17/10(1968.09) E06B 3/54(1968.09) (86) International application number: PCT/US2004/019138 (87) International publication number: WO 2004/113067 (29.12.2004 Gazette 2004/53)

(84) Designated Contracting States: DE FR GB (30) Priority: 13.06.2003 US 478395 P (71) Applicant: E. I. du Pont de Nemours and Company Wilmington, Delaware 19898 (US)	(72) Inventors: BENNISON, Stephen, J. Wilmington, DE 19803 (US) SMITH, Charles, Anthony Vienna, WV 26105 (US) SLOAN, James, G. Newark, DE 19711 (US) (74) Representative: Morf, Jan Stefan  Abitz & Partner, Poschingerstrasse 6 81679 München (Bogenhausen) 81679 München (Bogenhausen) (DE)