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(11)

EP 2 550 086 A1

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(43) Date of publication: 30.01.2013 Bulletin 2013/05 (21) Application number: 11724452.5 (22) Date of filing: 22.03.2011

(51) International Patent Classification (IPC):  B01D 53/32(2006.01) C10J 3/20(2006.01) C10K 1/08(2006.01) B03C 3/017(2006.01) C10J 3/84(2006.01) (86) International application number: PCT/IB2011/051204 (87) International publication number: WO 2011/117819 (29.09.2011 Gazette 2011/39)

(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: 23.03.2010 IT MI20100467 (71) Applicant: A.G.T. SRL 26100 Cremona (IT)	(72) Inventor: CAPPELLO, Giovanni I-23851 Galbiate (LC) (IT) (74) Representative: Belloni, Giancarlo et al Dragotti & Associati Srl Via Nino Bixio, 7 20129 Milano 20129 Milano (IT)