(19)

(11)

EP 1 711 585 A1

(12)

(43) Date of publication: 18.10.2006 Bulletin 2006/42 (21) Application number: 05703101.5 (22) Date of filing: 16.01.2005

(51) International Patent Classification (IPC):  C10L 1/20(2006.01) C10L 10/00(2006.01) (86) International application number: PCT/IL2005/000058 (87) International publication number: WO 2006/072927 (13.07.2006 Gazette 2006/28)

(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 MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR LV MK YU (30) Priority: 14.01.2004 US 536223 P (71) Applicant: Soreq Nuclear Research Center 81800 Yavne (IL)	(72) Inventor: GROF, Yair 76448 Rehovot (IL) (74) Representative: White, Duncan Rohan  Marks & Clerk 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)