(19)

(11)

EP 2 231 827 A2

(12)

(88) Date of publication A3: 03.09.2009 (43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 08861343.5 (22) Date of filing: 14.11.2008

(51) International Patent Classification (IPC):  C10J 3/02(2006.01) C10G 5/00(2006.01) C10J 3/20(2006.01) (86) International application number: PCT/US2008/083509 (87) International publication number: WO 2009/079127 (25.06.2009 Gazette 2009/26)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 17.12.2007 US 14412 17.12.2007 US 14415 17.12.2007 US 14410 17.12.2007 US 14408 13.11.2008 US 269968 13.11.2008 US 270017 (71) Applicant: Range Fuels, Inc. Broomfield, Colorado 80021 (US)	(72) Inventors: MANZER, Leo Wilmington CO 19803 (US) SCHAFER, William, B. Boulder CO 80302 (US) (74) Representative: Maggs, Michael Norman et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)