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(11)

EP 1 153 044 A1

(12)

(43) Date of publication: 14.11.2001 Bulletin 2001/46 (21) Application number: 99905485.1 (22) Date of filing: 04.02.1999

(51) International Patent Classification (IPC)7: C08F 8/00 (86) International application number: PCT/US9901/687 (87) International publication number: WO 0046/258 (10.08.2000 Gazette 2000/32)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: THE DOW CHEMICAL COMPANY Midland, Michigan 48674 (US)	(72) Inventors: DRUMRIGHT, Ray, E. Midland, MI 48640 (US) TERBRUEGGEN, Robert H. South Pasadena, CA 91030 (US) BURDETT, Kenneth, A. Midland, MI 48640 (US) TIMMERS, Francis, J. Midland, MI 48642 (US) HAHN, Stephen, F. Midland, MI 48642 (US) (74) Representative: Weickmann, Heinrich, Dipl.-Ing. et al Weickmann & WeickmannPatentanwältePostfach 86 08 20 81635 München 81635 München (DE)