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(11)

EP 2 052 057 A2

(12)

(88) Date of publication A3: 12.06.2008 (43) Date of publication: 29.04.2009 Bulletin 2009/18 (21) Application number: 07802646.5 (22) Date of filing: 16.08.2007

(51) International Patent Classification (IPC):  C10G 7/00(2006.01) C10G 11/00(2006.01) B01D 3/32(2006.01) C10G 7/12(2006.01) B01J 4/00(2006.01) B01D 3/14(2006.01) (86) International application number: PCT/EP2007/058509 (87) International publication number: WO 2008/020053 (21.02.2008 Gazette 2008/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 18.08.2006 EP 06119139 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR The Hague (NL)

(72) Inventors: DRIES, Hubertus Wilhelmus Albertus 1031 CM Amsterdam (NL) FOO, Kee-Khoon 1031 CM Amsterdam (NL) HOLLANDER, Elco Dick 1031 CM Amsterdam (NL) KATER, Jan NL-1031 CM Amsterdam (NL) KIJLSTRA, Wiebe Sjoerd NL-1031 CM Amsterdam (NL) (74) Representative: Zeestraten, Albertus W. J.  Shell International B.V. Intellectual Property Services P.O. Box 384 2501 CJ The Hague 2501 CJ The Hague (NL)