(19)

(11)

EP 2 259 998 A1

(12)

(43) Date of publication: 15.12.2010 Bulletin 2010/50 (21) Application number: 08873805.9 (22) Date of filing: 04.08.2008

(51) International Patent Classification (IPC):  C01B 3/00(2006.01) C01B 6/02(2006.01) (86) International application number: PCT/IT2008/000532 (87) International publication number: WO 2009/125444 (15.10.2009 Gazette 2009/42)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 09.04.2008 IT MI20080629 (71) Applicant: Pascucci Maddalena 00192 Roma (IT)	(72) Inventor: ROSSI, Andrea 1-00192 Roma (IT) (74) Representative: Cicogna, Franco  Ufficio Internazionale Brevetti Dott.Prof. Franco Cicogna Via Visconti di Modrone, 14/A 20122 Milano 20122 Milano (IT)