(19)

(11)

EP 2 627 798 A1

(12)

(43) Date of publication: 21.08.2013 Bulletin 2013/34 (21) Application number: 11831881.5 (22) Date of filing: 12.10.2011

(51) International Patent Classification (IPC):  C23C 18/38(2006.01) C23C 18/32(2006.01) C23C 18/24(2006.01) (86) International application number: PCT/CA2011/001146 (87) International publication number: WO 2012/048412 (19.04.2012 Gazette 2012/16)

(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 (30) Priority: 26.04.2011 US 201161457590 P 30.03.2011 US 201161457446 P 13.10.2010 US 344800 P (71) Applicant: University of Windsor Windsor, Ontario N9B 3P4 (CA)	(72) Inventors: SCHLESINGER, Mordechay Windsor, Ontario N8Y 4V3 (CA) PETRO, Robert Andrew Leamington, Ontario N8H 4V5 (CA) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser  Leopoldstrasse 4 80802 München 80802 München (DE)