(19)

(11)

EP 2 076 471 A1

(12)

(43) Date of publication: 08.07.2009 Bulletin 2009/28 (21) Application number: 07833347.3 (22) Date of filing: 15.10.2007

(51) International Patent Classification (IPC):  C04B 18/04(2006.01) (86) International application number: PCT/KR2007/005038 (87) International publication number: WO 2008/048025 (24.04.2008 Gazette 2008/17)

(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 MT NL PL PT RO SE SI SK TR (30) Priority: 16.10.2006 KR 20060100130 (71) Applicant: Cho, Dai Youn Chungju 380-150 (KR)	(72) Inventor: Cho, Dai Youn Chungju 380-150 (KR) (74) Representative: Pulieri, Gianluca Antonio  Jacobacci & Partners S.p.A. Piazza dela Vittoria, 11 25122 Brescia 25122 Brescia (IT)