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(11)

EP 2 121 815 A1

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(43) Date of publication: 25.11.2009 Bulletin 2009/48 (21) Application number: 08704566.2 (22) Date of filing: 03.01.2008

(51) International Patent Classification (IPC):  C08J 5/18(2006.01) (86) International application number: PCT/KR2008/000025 (87) International publication number: WO 2008/091067 (31.07.2008 Gazette 2008/31)

(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 (30) Priority: 23.01.2007 KR 20070006824 (71) Applicant: LG Chem, Ltd. Youngdungpo-gu, Seoul 150-721 (KR)	(72) Inventors: AN, Young-Sun Daejeon 305-752 (KR) LEE, Min-Ho Cheongju-si Chungcheongbuk-do 361-150 (KR) (74) Representative: Goddar, Heinz J. et al Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)