(19)

(11)

EP 1 229 993 A1

(12)

(43) Date of publication: 14.08.2002 Bulletin 2002/33 (21) Application number: 00948367.8 (22) Date of filing: 27.07.2000

(51) International Patent Classification (IPC)7: B01D 53/75 (86) International application number: PCT/KR0000/815 (87) International publication number: WO 0137/975 (31.05.2001 Gazette 2001/22)

(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: 20.11.1999 KR 9951716 (71) Applicant: Choi, Yeon, Mook Kyungki-Do 425-070 (KR)	(72) Inventor: Choi, Yeon, Mook Kyungki-Do 425-070 (KR) (74) Representative: Wagner, Bernhard Peter  ter Meer Steinmeister & Partner GbRMauerkircherstrasse 45 81679 München 81679 München (DE)