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(11)

EP 2 051 939 A1

(12)

(43) Date of publication: 29.04.2009 Bulletin 2009/18 (21) Application number: 07732073.7 (22) Date of filing: 20.03.2007

(51) International Patent Classification (IPC):  C02F 1/461(2006.01) C25B 15/00(2006.01) (86) International application number: PCT/GB2007/000981 (87) International publication number: WO 2007/107741 (27.09.2007 Gazette 2007/39)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 20.03.2006 GB 0605546 (71) Applicant: Gauthier, Christian J. Dieppe NB E1A 7W5 (CA)	(72) Inventor: Gauthier, Christian J. Dieppe NB E1A 7W5 (CA) (74) Representative: Walker, Ross Thomson et al Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)