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(11)

EP 2 349 933 A1

(12)

(43) Date of publication: 03.08.2011 Bulletin 2011/31 (21) Application number: 09752885.5 (22) Date of filing: 20.10.2009

(51) International Patent Classification (IPC):  C02F 1/461(2006.01) A61L 2/03(2006.01) C02F 1/465(2006.01) C02F 1/467(2006.01) C02F 1/00(2006.01) (86) International application number: PCT/GB2009/002475 (87) International publication number: WO 2010/046626 (29.04.2010 Gazette 2010/17)

(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: 23.10.2008 GB 0819493 (71) Applicant: Enviro-Development ApS 6200 Aabenraa (DK)	(72) Inventors: NAPPER, David Aabenraa (DK) PRIKIDANOVICS, Anna Quebec JY3 1EA (CA) (74) Representative: Haley, Stephen  Gill Jennings & Every LLP The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)