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(11)

EP 2 906 337 A2

(12)

(88) Date of publication A3: 16.10.2014 (43) Date of publication: 19.08.2015 Bulletin 2015/34 (21) Application number: 13798755.8 (22) Date of filing: 08.10.2013

(51) International Patent Classification (IPC):  B01J 2/06(2006.01) C12N 9/96(2006.01) C12N 11/06(2006.01) B01J 2/08(2006.01) C12N 9/98(2006.01) C12N 11/08(2006.01) (86) International application number: PCT/IB2013/059211 (87) International publication number: WO 2014/057424 (17.04.2014 Gazette 2014/16)

(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 (30) Priority: 09.10.2012 ZA 201207568 (71) Applicant: CSIR 0002 Pretoria (ZA)	(72) Inventors: LAND, Kevin, John 0042 Pretoria (ZA) MBANJWA, Mesuli, Bonani 0081 Pretoria (ZA) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)