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(11)

EP 1 937 855 A1

(12)

(43) Date of publication: 02.07.2008 Bulletin 2008/27 (21) Application number: 06775127.1 (22) Date of filing: 17.08.2006

(51) International Patent Classification (IPC):  C22B 1/00(2006.01) (86) International application number: PCT/CA2006/001354 (87) International publication number: WO 2007/019701 (22.02.2007 Gazette 2007/08)

(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 NL PL PT RO SE SI SK TR (30) Priority: 18.08.2005 GB 0516915 (71) Applicants: Fiset, Gilles Rouyn-Noranda, QC J9X 5Y9 (CA) St.-Jean, Edmond Rouyn-Noranda, QC J9X 5Y9 (CA)	(72) Inventors: Fiset, Gilles Rouyn-Noranda, QC J9X 5Y9 (CA) St.-Jean, Edmond Rouyn-Noranda, QC J9X 5Y9 (CA) (74) Representative: Maggs, Michael Norman et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)