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EP 3 021 951 A1

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(43) Date of publication: 25.05.2016 Bulletin 2016/21 (21) Application number: 14825878.3 (22) Date of filing: 29.06.2014

(51) International Patent Classification (IPC):  B01D 9/04(2006.01) B03B 5/30(2006.01) B03B 7/00(2006.01) C02F 7/00(2006.01) B03B 5/28(2006.01) B03B 5/62(2006.01) C02F 1/22(2006.01) E21C 50/00(2006.01) (86) International application number: PCT/IL2014/050582 (87) International publication number: WO 2015/008273 (22.01.2015 Gazette 2015/03)

(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 Designated Extension States: BA ME (30) Priority: 18.07.2013 IL 22755113 18.07.2013 IL 22755013 25.07.2013 US 201313950325 25.07.2013 US 201313950329 13.08.2013 IL 22794813 27.08.2013 US 201314010690 (71) Applicant: S.G.B.D. Technologies Ltd. 33301 Haifa (IL)

(72) Inventor: BRODT, Alexander 8441413 Beer Sheva (IL) (74) Representative: Pearl Cohen Zedek Latzer Baratz UK LLP  The Gridiron Building One Pancras Square London N1C 4AG London N1C 4AG (GB)