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EP 2 709 978 A1

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(43) Date of publication: 26.03.2014 Bulletin 2014/13 (21) Application number: 11757460.8 (22) Date of filing: 30.08.2011

(51) International Patent Classification (IPC):  C07C 51/02(2006.01) C07C 51/41(2006.01) C07C 51/44(2006.01) C07C 31/20(2006.01) C07C 211/09(2006.01) C07C 55/10(2006.01) C07C 51/43(2006.01) C07C 29/149(2006.01) C07C 209/16(2006.01) (86) International application number: PCT/US2011/049682 (87) International publication number: WO 2012/158180 (22.11.2012 Gazette 2012/47)

(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: 18.05.2011 WO PCT/US2011/036913 (71) Applicant: BIOAMBER, S.A.S. 51110 Bazancourt (FR)

(72) Inventors: FRUCHEY, Olan, S. Hurricane, WV 25526 (US) MANZER, Leo, E. Wilmington, DE 19803 (US) DUNUWILA, Dilum Princeton, NJ 08540 (US) KEEN, Brian, T. Pinch, WV 25156 (US) ALBIN, Brooke, A. Charleston, WV 25303 (US) CLINTON, Nye, A. Hurricane, WV 25526 (US) DOMBEK, Bernard, D. Charleston, WV 25314 (US) (74) Representative: Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner  Kronenstraße 30 D-70174 Stuttgart D-70174 Stuttgart (DE)