(19)

(11)

EP 2 609 229 A1

(12)

(43) Date of publication: 03.07.2013 Bulletin 2013/27 (21) Application number: 11754960.0 (22) Date of filing: 23.08.2011

(51) International Patent Classification (IPC):  C25B 1/00(2006.01) F01N 3/20(2006.01) B01D 53/94(2006.01) (86) International application number: PCT/US2011/048809 (87) International publication number: WO 2012/027368 (01.03.2012 Gazette 2012/09)

(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: 31.03.2011 US 201113077277 23.08.2010 US 376108 P (71) Applicant: Ohio University Athens, OH 45701 (US)	(72) Inventor: BOTTE, Gerardine, G. Athens OH 45701 (US) (74) Representative: Findlay, Alice Rosemary  Reddie & Grose LLP 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)