(19)

(11)

EP 1 651 572 A1

(12)

(43) Date of publication: 03.05.2006 Bulletin 2006/18 (21) Application number: 04737922.7 (22) Date of filing: 07.07.2004

(51) International Patent Classification (IPC):  C02F 1/52(2000.01) C02F 1/56(2000.01) C02F 1/28(2000.01) (86) International application number: PCT/CA2004/000983 (87) International publication number: WO 2005/003039 (13.01.2005 Gazette 2005/02)

(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 (30) Priority: 07.07.2003 US 484663 P 21.11.2003 US 523680 P 15.01.2004 US 536531 P (71) Applicant: Home Farms Technologies Brandon, Manitoba R7A 5A3 (CA)	(72) Inventors: HUBBARD, Robert, J. Brandon, Manitoba R7A 5A3 (CA) BRILTZ, Raymond, P. Brandon, Manitoba R7A 5A3 (CA) (74) Representative: Jostarndt, Hans-Dieter  Jostarndt Patentanwalts-AG Brüsseler Ring 51 D-52074 Aachen D-52074 Aachen (DE)