(19)

(11)

EP 1 503 829 A1

(12)

(43) Date of publication: 09.02.2005 Bulletin 2005/06 (21) Application number: 03725240.0 (22) Date of filing: 14.05.2003

(51) International Patent Classification (IPC)7: A62C 35/00, A62D 1/00 (86) International application number: PCT/FI2003/000371 (87) International publication number: WO 2003/097172 (27.11.2003 Gazette 2003/48)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 15.05.2002 FI 20020914 (71) Applicant: KEMIRA OY SF-00180 Helsinki (FI)	(72) Inventors: NISSINEN, Timo FIN-00910 Helsinki (FI) KUKKONEN, Jari FIN-90800 Oulu (FI) (74) Representative: Svensson, Johan Henrik  Berggren Oy Ab,P.O. Box 16 00101 Helsinki 00101 Helsinki (FI)