(19)

(11)

EP 1 268 608 A1

(12)

(43) Date of publication: 02.01.2003 Bulletin 2003/01 (21) Application number: 01900818.4 (22) Date of filing: 02.01.2001

(51) International Patent Classification (IPC)7: C08G 73/02 (86) International application number: PCT/US0100/041 (87) International publication number: WO 0104/9773 (12.07.2001 Gazette 2001/28)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 04.01.2000 US 477754 (71) Applicant: DONALDSON COMPANY, INC. Minneapolis, MN 55440-1299 (US)	(72) Inventors: JAKOWSKI, Joseph, D. Gahanna OH 43230 (US) KAPLAN, Gregory, M. Bexley, OH 43209 (US) (74) Representative: Eisenführ, Speiser & Partner  Martinistrasse 24 28195 Bremen 28195 Bremen (DE)