(19)

(11)

EP 2 812 295 A2

(12)

(88) Date of publication A3: 07.11.2013 (43) Date of publication: 17.12.2014 Bulletin 2014/51 (21) Application number: 13714699.9 (22) Date of filing: 11.02.2013

(51) International Patent Classification (IPC):  C06B 25/36(2006.01) C06B 31/12(2006.01) C06B 47/00(2006.01) C06B 31/32(2006.01) (86) International application number: PCT/IB2013/051107 (87) International publication number: WO 2013/118103 (15.08.2013 Gazette 2013/33)

(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: 10.02.2012 GB 201202402 (71) Applicant: Maxam Dantex South Africa (Proprietary) Limited 1710 Florida (ZA)	(72) Inventor: ZIMMERMANN, Leon Michael 2194 Juskei Park (ZA) (74) Representative: Boult Wade Tennant  Verulam Gardens 70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)