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(11)

EP 1 294 461 A1

(12)

(43) Date of publication: 26.03.2003 Bulletin 2003/13 (21) Application number: 01901601.3 (22) Date of filing: 16.01.2001

(51) International Patent Classification (IPC)7: B01D 24/00, B01J 8/02 (86) International application number: PCT/KR0100/061 (87) International publication number: WO 0205/6994 (25.07.2002 Gazette 2002/30)

(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 (71) Applicant: Ecomaister Co., Ltd Incheon 404-250 (KR)	(72) Inventor: OH, Sang, Yoon Yeongdeungpo-gu,Seoul 150-882 (KR) (74) Representative: Hübner, Gerd, Dipl.-Phys. et al Rau, Schneck & HübnerPatentanwälteKönigstrasse 2 90402 Nürnberg 90402 Nürnberg (DE)