(19)

(11)

EP 2 480 635 A1

(12)

(43) Date of publication: 01.08.2012 Bulletin 2012/31 (21) Application number: 10760802.8 (22) Date of filing: 16.09.2010

(51) International Patent Classification (IPC):  C10G 9/36(2006.01) C10G 25/03(2006.01) C10G 25/00(2006.01) C10G 55/04(2006.01) (86) International application number: PCT/US2010/002525 (87) International publication number: WO 2011/037609 (31.03.2011 Gazette 2011/13)

(84) Designated Contracting States: AL 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: 25.09.2009 US 586637 (71) Applicant: Lyondell Chemical Technology, L.P. Greenville, Delaware 19807 (US)	(72) Inventors: CYBULSKIS, Viktor, J. Pearland, Texas 77584 (US) WEBBER, Kenneth, M. Friendswood, Texas 77546 (US) (74) Representative: Zanoli, Enrico et al Zanoli & Giavarini S.r.l. Via Melchiorre Gioia, 64 20125 Milano 20125 Milano (IT)