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(11)

EP 2 820 029 A1

(12)

(43) Date of publication: 07.01.2015 Bulletin 2015/02 (21) Application number: 12869795.0 (22) Date of filing: 29.02.2012

(51) International Patent Classification (IPC):  C07H 21/04(2006.01) C12N 15/82(2006.01) (86) International application number: PCT/US2012/027091 (87) International publication number: WO 2013/130062 (06.09.2013 Gazette 2013/36)

(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 RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: ExxonMobil Research and Engineering Company Annandale, NJ 08801-0900 (US)	(72) Inventors: HOLTZAPPLE, Erik San Diego, CA 92102 (US) VERRUTO, John, H. San Diego, CA 92103 (US) (74) Representative: Hewson, Timothy John et al Abel & Imray 20 Red Lion Street London WC1R 4PQ London WC1R 4PQ (GB)