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(11)

EP 1 678 082 A2

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(43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04749254.1 (22) Date of filing: 02.08.2004

(51) International Patent Classification (IPC):  C02F 1/00(2000.01) (86) International application number: PCT/SG2004/000232 (87) International publication number: WO 2005/012180 (10.02.2005 Gazette 2005/06)

(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 PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 02.08.2003 SG 200304231 (71) Applicant: GUEH, How Kiap Singapore 120347 (SG)	(72) Inventor: GUEH, How Kiap Singapore 120347 (SG) (74) Representative: Strobel, Wolfgang et al Kroher . Strobel Rechts- und Patentanwälte Bavariaring 20 80336 München 80336 München (DE)