(19)

(11)

EP 2 630 119 A1

(12)

(43) Date of publication: 28.08.2013 Bulletin 2013/35 (21) Application number: 11834767.3 (22) Date of filing: 29.03.2011

(51) International Patent Classification (IPC):  C07C 303/32(2006.01) C07C 309/58(2006.01) C07C 303/44(2006.01) (86) International application number: PCT/US2011/030252 (87) International publication number: WO 2012/054097 (26.04.2012 Gazette 2012/17)

(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: 19.10.2010 WO PCT/US2010/053186 (71) Applicant: Futurefuel Chemical Company Clayton, MO 63105 (US)	(72) Inventors: OSTER, Timothy, A. Batesville, AR 72501 (US) COLEMAN, Michael, Todd Batesville, AR 72501 (US) (74) Representative: Crease, Devanand John et al Keltie LLP Fleet Place House 2 Fleet Place London EC4M 7ET London EC4M 7ET (GB)