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EP 2 175 987 A2

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(88) Date of publication A3: 03.09.2009 (43) Date of publication: 21.04.2010 Bulletin 2010/16 (21) Application number: 08785127.5 (22) Date of filing: 21.07.2008

(51) International Patent Classification (IPC):  B01J 21/12(2006.01) B01J 29/74(2006.01) C10G 11/18(2006.01) C10G 69/04(2006.01) B01J 23/40(2006.01) C10G 11/00(2006.01) C10G 45/62(2006.01) (86) International application number: PCT/EP2008/006176 (87) International publication number: WO 2009/018932 (12.02.2009 Gazette 2009/07)

(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: 03.08.2007 IT MI20071610 (71) Applicant: ENI S.p.A. 00144 Rome (IT)	(72) Inventors: RISPOLI, Giacomo I-00168 Rome (IT) MOGGI, Alberto I-20124 Milan (IT) FARACI, Giovanni I-20097 San Donato Milanese (IT) POLLESEL, Paolo I-20097 San Donato Milanese (IT) (74) Representative: De Gregori, Antonella et al Ing. Barzano' & Zanardo Milano S.p.A. Via Borgonuovo 10 20121 Milano 20121 Milano (IT)