(19)

(11)

EP 2 401 809 A2

(12)

(88) Date of publication A3: 17.11.2011 (43) Date of publication: 04.01.2012 Bulletin 2012/01 (21) Application number: 10712742.5 (22) Date of filing: 24.02.2010

(51) International Patent Classification (IPC):  H02N 11/00(2006.01) (86) International application number: PCT/GB2010/000331 (87) International publication number: WO 2010/097581 (02.09.2010 Gazette 2010/35)

(84) Designated Contracting States: 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: 24.02.2009 GB 0903134 (71) Applicant: Osmotex AG 6055 Alpnach Dorf (CH)	(72) Inventors: HELDAL, Trond CH-6006 Luzern (CH) VOLDEN, Tormod CH-6003 Luzern (CH) (74) Representative: Piésold, Alexander James  Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD London EC4Y 8JD (GB)