(19)

(11)

EP 1 165 871 A1

(12)

(43) Date of publication: 02.01.2002 Bulletin 2002/01 (21) Application number: 00921784.5 (22) Date of filing: 07.04.2000

(51) International Patent Classification (IPC)7: D03D 23/00, C06B 31/28 (86) International application number: PCT/US0009/165 (87) International publication number: WO 0060/154 (12.10.2000 Gazette 2000/41)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 07.04.1999 US 128101 P 23.04.1999 US 130660 P (71) Applicant: AUTOMOTIVE SYSTEMS LABORATORY INC. Farmington Hills Michigan 48331 (US)	(72) Inventors: BURNS, Sean, P. Almont, MI 48003 (US) KHANDHADIA, Paresh, S. Troy, MI 48098 (US) (74) Representative: Smith, Samuel Leonard  J.A. Kemp & Co., 14 South Square, Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)