(19)

(11)

EP 1 265 811 A1

(12)

(43) Date of publication: 18.12.2002 Bulletin 2002/51 (21) Application number: 01953016.1 (22) Date of filing: 19.02.2001

(51) International Patent Classification (IPC)7: C01B 3/38 (86) International application number: PCT/NL0100/138 (87) International publication number: WO 0106/0739 (23.08.2001 Gazette 2001/34)

(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: 17.02.2000 NL 1014404 11.08.2000 NL 1015916 11.08.2000 NL 1015917 (71) Applicants: Nedstack Holding B.V. 6815 CC Arnhem (NL) Van Andel, Eleonoor 7548 RB Boekelo (NL) Middelman, Erik 6815 CC Arnhem (NL)	(72) Inventors: VAN ANDEL, Eleonoor NL-7548 RB Boekelo (NL) MIDDELMAN, Erik NL-6815 CC Arnhem (NL)