(19)

(11)

EP 2 459 034 A1

(12)

(43) Date of publication: 06.06.2012 Bulletin 2012/23 (21) Application number: 10804803.4 (22) Date of filing: 30.07.2010

(51) International Patent Classification (IPC):  A47G 21/00(2006.01) (86) International application number: PCT/SG2010/000288 (87) International publication number: WO 2011/014130 (03.02.2011 Gazette 2011/05)

(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 SE SI SK SM TR (30) Priority: 31.07.2009 US 230341 P (71) Applicant: Nanyang Technological University Singapore 639798 (SG)	(72) Inventors: TOH, Weng, Cheong 639798 Singapore (SG) EDISON 639798 Singapore (SG) (74) Representative: Roberts, Gwilym Vaughan et al Kilburn & Strode LLP 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)