(19)

(11)

EP 1 274 895 A1

(12)

(43) Date of publication: 15.01.2003 Bulletin 2003/03 (21) Application number: 01913056.6 (22) Date of filing: 26.02.2001

(51) International Patent Classification (IPC)7: D06P 1/00, D06P 3/82, D06B 11/00 (86) International application number: PCT/US0106/097 (87) International publication number: WO 0107/3189 (04.10.2001 Gazette 2001/40)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 24.03.2000 US 535442 (71) Applicant: E. I. du Pont de Nemours and Company Wilmington,Delaware 18898 (US)	(72) Inventor: TUNG, Wae-Hai Marietta, GA 30062 (US) (74) Representative: Jones, Alan John  CARPMAELS & RANSFORD43 Bloomsbury Square London, WC1A 2RA London, WC1A 2RA (GB)