(19)

(11)

EP 2 714 855 A1

(12)

(43) Date of publication: 09.04.2014 Bulletin 2014/15 (21) Application number: 12793493.3 (22) Date of filing: 04.06.2012

(51) International Patent Classification (IPC):  C10L 1/00(2006.01) (86) International application number: PCT/US2012/040746 (87) International publication number: WO 2012/167252 (06.12.2012 Gazette 2012/49)

(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 (30) Priority: 03.06.2011 US 201161492910 P (71) Applicant: Southern Illinois University Carbondale Carbondale, Illinois 62901 (US)	(72) Inventors: ANDERSON, Kenneth B. Carbondale, Illinois 62901 (US) CRELLING, John C. Carbondale, Illinois 62901 (US) HUGGETT, William W. Carbondale, Illinois 62901 (US) PERRY, Derek M. Carbondale, Illinois 62901 (US) (74) Representative: Glansdorp, Freija Gwendolyn et al Greaves Brewster LLP Copa House Station Road Cheddar Somerset BS27 3AH Somerset BS27 3AH (GB)