(19)

(11)

EP 1 848 845 A1

(12)

(43) Date of publication: 31.10.2007 Bulletin 2007/44 (21) Application number: 05733511.9 (22) Date of filing: 08.04.2005

(51) International Patent Classification (IPC):  D01F 1/10(2006.01) (86) International application number: PCT/KR2005/000988 (87) International publication number: WO 2006/070971 (06.07.2006 Gazette 2006/27)

(84) Designated Contracting States: (30) Priority: 28.12.2004 KR 20040113981 (71) Applicant: Hyosung Corporation Seoul 121-020 (KR)	(72) Inventors: SONG, Byung Su Ansan-Shi, Gyeonggi-Do 426-809 (KR) SEO, Seung Won Gunpo-Shi, Gyeonggi-Do 435-040 (KR) KIM, Ji Won Seoul 151-812 (KR) KWON, Ik Hyeon Yeongdeungpo-Gu, Seoul 150-043 (KR) (74) Representative: Bowman, Paul Alan et al Lloyd Wise Commonwealth House, 1-19 New Oxford Street London WC1A 1LW London WC1A 1LW (GB)