(19)

(11)

EP 2 318 674 A1

(12)

(43) Date of publication: 11.05.2011 Bulletin 2011/19 (21) Application number: 08793086.3 (22) Date of filing: 06.08.2008

(51) International Patent Classification (IPC):  F01N 3/20(2006.01) (86) International application number: PCT/KR2008/004572 (87) International publication number: WO 2010/016631 (11.02.2010 Gazette 2010/06)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 05.08.2008 KR 20080076607 (71) Applicant: Heesung Catalysts Corporation Shiheung-city, Kyungki-do 429-450 (KR)	(72) Inventors: HAN, Hyun-Sik Ansan-city Kyungki-do 425-140 (KR) KIM, Eun-seok Siheung-si Gyeonggi-do 429-450 (KR) (74) Representative: Tetaz, Franck Claude Edouard et al Cabinet Régimbeau 139, rue Vendôme 69477 Lyon Cedex 06 69477 Lyon Cedex 06 (FR)