(19)

(11)

EP 1 942 752 A1

(12)

(43) Date of publication: 16.07.2008 Bulletin 2008/29 (21) Application number: 06716291.7 (22) Date of filing: 09.03.2006

(51) International Patent Classification (IPC):  A24D 3/04(2006.01) (86) International application number: PCT/KR2006/000841 (87) International publication number: WO 2007/102634 (13.09.2007 Gazette 2007/37)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (71) Applicant: Postech Academy-Industry Foundation San 31, Hyoja-dong Nam-gu Pohang-shi Kyungsangbuk-do 790-784 (KR)	(72) Inventors: KIM, Kimoon Kyungsangbuk-do 790-784 (KR) PARK, Kyeng-Min Kyungsangbuk-do 790-784 (KR) KO, Young-Ho Kyungsangbuk-do 790-784 (KR) SELVAPALAM, Narayanan Kyungsangbuk-do 790-784 (KR) (74) Representative: Ilgart, Jean-Christophe et al BREVALEX 3, rue du Docteur Lancereaux 75008 Paris 75008 Paris (FR)