(19)

(11)

EP 1 651 511 A1

(12)

(43) Date of publication: 03.05.2006 Bulletin 2006/18 (21) Application number: 03742222.7 (22) Date of filing: 25.06.2003

(51) International Patent Classification (IPC):  B63B 39/00(1968.09) B63B 35/44(1968.09) (86) International application number: PCT/US2003/020127 (87) International publication number: WO 2005/009838 (03.02.2005 Gazette 2005/05)

(84) Designated Contracting States: ES FI (71) Applicant: Exxonmobile Upstream Research Company Houston, TX 77252-2189 (US)	(72) Inventors: LOKKEN, Roald, T. Houston, TX 77005-2910 (US) TURNER, Ward, J. Houston, TX 77040 (US) (74) Representative: Troch, Geneviève et al ExxonMobil Chemical Europe Inc., P.O. Box 105 1830 Machelen 1830 Machelen (BE)