(19)

(11)

EP 2 057 255 A2

(12)

(88) Date of publication A3: 07.08.2008 (43) Date of publication: 13.05.2009 Bulletin 2009/20 (21) Application number: 07810668.9 (22) Date of filing: 20.07.2007

(51) International Patent Classification (IPC):  C10M 143/00(2006.01) C10M 145/14(2006.01) (86) International application number: PCT/US2007/016493 (87) International publication number: WO 2008/013753 (31.01.2008 Gazette 2008/05)

(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 (30) Priority: 28.07.2006 US 833870 P (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: PONZER, Kelli, H. Bordentown, NJ 08505 (US) HOLT, David, G.L. Medford, NJ 08055 (US) GALIANO-ROTH, Angela, S. Mullica Hill, NJ 08062 (US) BUZDYGON, Kevin, J. Wilington, DE 19810 (US) (74) Representative: Troch, Geneviève  ExxonMobil Chemical Europe Inc. I.P. Law Shared Services P.O. Box 105 Hermeslaan 2 1831 Machelen 1831 Machelen (BE)