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EP 1 214 286 A1

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(43) Date of publication: 19.06.2002 Bulletin 2002/25 (21) Application number: 00963483.3 (22) Date of filing: 14.09.2000

(51) International Patent Classification (IPC)7: C07C 51/42, C12P 7/44, C02F 1/44 (86) International application number: PCT/US0025/276 (87) International publication number: WO 0121/572 (29.03.2001 Gazette 2001/13)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 22.09.1999 US 401138 (71) Applicant: Cognis Corporation Gulph Mills, PA 19406 (US)	(72) Inventors: KOZAK, William, G. Hatfield, PA 19440 (US) REBROVIC, Louis Shandon, OH 45063 (US) GOTTMAN, Anna, M. Cold Spring, KY 41076 (US) STALEY, Michael, D. Cincinnati, OH 45241 (US) (74) Representative: Weber, Thomas, Dr.Dipl.-Chem. et al Patentanwältevon Kreisler-Selting-Werner,Postfach 10 22 41 50462 Köln 50462 Köln (DE)