(19)

(11)

EP 2 516 818 A1

(12)

(43) Date of publication: 31.10.2012 Bulletin 2012/44 (21) Application number: 10838823.2 (22) Date of filing: 13.12.2010

(51) International Patent Classification (IPC):  F01P 7/02(2006.01) (86) International application number: PCT/IL2010/001048 (87) International publication number: WO 2011/077427 (30.06.2011 Gazette 2011/26)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (30) Priority: 23.12.2009 US 646382 (71) Applicant: DOR Chemicals Ltd. 26110 Haifa (IL)	(72) Inventors: KOGEL, Ofer 23840 Timrat (IL) YOGEV, Eli 20208 Kiryat-Ata (IL) (74) Representative: Virdee-Crofts, Kulwinder Kaur  Fisher Weiler Group Portland House, 16th Fl. Bressenden Place London, Greater London SW1E 5RS London, Greater London SW1E 5RS (GB)