(19)

(11)

EP 1 062 189 A2

(12)

(88) Date of publication A3: 03.08.2000 (43) Date of publication: 27.12.2000 Bulletin 2000/52 (21) Application number: 99909729.8 (22) Date of filing: 02.03.1999

(51) International Patent Classification (IPC)7: C06D 5/00 (86) International application number: PCT/US9904/514 (87) International publication number: WO 9946/222 (16.09.1999 Gazette 1999/37)

(84) Designated Contracting States: DE FR GB (30) Priority: 12.03.1998 US 77767 P 24.08.1998 US 139165 23.09.1998 US 159166 (71) Applicant: AUTOMOTIVE SYSTEMS LABORATORY INC. Farmington HillsMichigan 48331 (US)	(72) Inventors: KHANDHADIA, Paresh, S. Troy, MI 48098 (US) BURNS, Sean, P. Auburn Hills, MI 48326 (US) WILLIAMS, Graylon, K. Romeo, MI 48065 (US) (74) Representative: Benson, John Everett  J. A. Kemp & Co.,14 South Square,Gray's Inn London WC1R 5LX London WC1R 5LX (GB)