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(11)

EP 2 364 425 A1

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(43) Date of publication: 14.09.2011 Bulletin 2011/37 (21) Application number: 09760648.7 (22) Date of filing: 12.11.2009

(51) International Patent Classification (IPC):  F28D 7/16(2006.01) F28F 9/22(2006.01) F28F 9/013(2006.01) (86) International application number: PCT/US2009/006093 (87) International publication number: WO 2010/056335 (20.05.2010 Gazette 2010/20)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 12.11.2008 US 269193 (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventor: WANNI, Amar, S. B-2000 Antwerpen (BE) (74) Representative: Mareschal, Anne et al ExxonMobil Chemical Europe Inc. IP Law Shared Services Hermeslaan 2 1831 Machelen 1831 Machelen (BE)