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(11)

EP 2 456 720 A1

(12)

(43) Date of publication: 30.05.2012 Bulletin 2012/22 (21) Application number: 10801803.7 (22) Date of filing: 22.07.2010

(51) International Patent Classification (IPC):  C02F 1/46(2006.01) C25B 15/08(2006.01) C25B 9/00(2006.01) C25B 1/34(2006.01) C25B 1/24(2006.01) E04H 4/12(2006.01) (86) International application number: PCT/AU2010/000931 (87) International publication number: WO 2011/009170 (27.01.2011 Gazette 2011/04)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 22.07.2009 AU 2009903424 (71) Applicant: Poolrite Research PTY Ltd. Mt. Gravatt QLD 4122 (AU)	(72) Inventor: PALMER, Ross Leslie Mt Gravatt Queensland 4122 (AU) (74) Representative: Plöger, Jan Manfred et al Gramm, Lins & Partner GbR Theodor-Heuss-Strasse 1 38122 Braunschweig 38122 Braunschweig (DE)