(19)

(11)

EP 1 742 901 A1

(12)

(43) Date of publication: 17.01.2007 Bulletin 2007/03 (21) Application number: 05743070.4 (22) Date of filing: 04.05.2005

(51) International Patent Classification (IPC):  C07C 29/151(2006.01) C07C 31/04(2006.01) (86) International application number: PCT/EP2005/052043 (87) International publication number: WO 2005/108336 (17.11.2005 Gazette 2005/46)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 07.05.2004 EP 04101995 (71) Applicant: Shell Internationale Research Maatschappij B.V. 2596 HR The Hague (NL)	(72) Inventors: JENZER, Gregor, August NL-1031 CM Amsterdam (NL) TIO, Thian, Hoey NL-1031 CM Amsterdam (NL) ZUIDEVELD, Pieter, Lammert 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)