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(11)

EP 1 317 599 A1

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(43) Date of publication: 11.06.2003 Bulletin 2003/24 (21) Application number: 01970762.9 (22) Date of filing: 10.09.2001

(51) International Patent Classification (IPC)7: E05F 5/10, E05F 1/12, E05F 3/10 (86) International application number: PCT/US0128/307 (87) International publication number: WO 0202/3001 (21.03.2002 Gazette 2002/12)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 11.09.2000 JP 2000275249 (71) Applicant: E. I. du Pont de Nemours and Company Wilmington,Delaware 18898 (US)	(72) Inventor: UEMURA, Kyosuke Suginami-kuTokyo 166-0003 (JP) (74) Representative: Gritschneder, Martin, Dipl.-Phys. et al Patentanwälte Abitz & PartnerPoschingerstrasse 6 81679 München 81679 München (DE)