(19)

(11)

EP 2 307 314 A1

(12)

(43) Date of publication: 13.04.2011 Bulletin 2011/15 (21) Application number: 09804612.1 (22) Date of filing: 06.08.2009

(51) International Patent Classification (IPC):  C01C 1/10(2006.01) A61L 9/22(2006.01) C02F 1/58(2006.01) B01D 53/00(2006.01) (86) International application number: PCT/IB2009/006507 (87) International publication number: WO 2010/015928 (11.02.2010 Gazette 2010/06)

(84) Designated Contracting States: 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 SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 07.08.2008 IT MI20081490 (71) Applicant: Niamex S.R.L. 25122 Brescia (IT)	(72) Inventor: REBOLDI, Tiziano, Alan I-25030 Lograto (Brescia) (IT) (74) Representative: Coletti, Raimondo et al Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10 20121 Milano 20121 Milano (IT)