(19)

(11)

EP 2 209 773 A2

(12)

(88) Date of publication A3: 16.07.2009 (43) Date of publication: 28.07.2010 Bulletin 2010/30 (21) Application number: 08839120.6 (22) Date of filing: 15.10.2008

(51) International Patent Classification (IPC):  C07D 333/26(2006.01) C09B 49/06(2006.01) C09B 49/00(2006.01) (86) International application number: PCT/KR2008/006056 (87) International publication number: WO 2009/051390 (23.04.2009 Gazette 2009/17)

(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: 15.10.2007 KR 20070103629 26.12.2007 KR 20070137908 25.04.2008 KR 20080038731 30.06.2008 KR 20080062482 (71) Applicant: Dongjin Semichem Co., Ltd. Seo-gu, Incheon 404-205 (KR)

(72) Inventors: BAE, Ho-Gi Pyeongtaek-city Gyeonggi-do 451-781 (KR) LEE, Chong-chan Chungcheongbuk-do 363-883 (KR) KIM, Jong-bok Seoul 138-172 (KR) MOON, Hyoung-don Osan City Gyeonggi-do 447-270 (KR) PARK, Tae-jin Incheon 405-759 (KR) BAEK, Jong-hyub Seoul 139-224 (KR) YANG, Hoe-taek Hwaseong-city Gyeonggi-do 445-923 (KR) AN, Hyun-cheol Hwaseong-city Gyeonggi-do 445-931 (KR) (74) Representative: Bockhorni & Kollegen  Elsenheimerstraße 49 D-80687 München D-80687 München (DE)