(19)

(11)

EP 2 659 445 A2

(12)

(88) Date of publication A3: 04.10.2012 (43) Date of publication: 06.11.2013 Bulletin 2013/45 (21) Application number: 11852431.3 (22) Date of filing: 20.12.2011

(51) International Patent Classification (IPC):  G06Q 20/32(2012.01) H04B 5/02(2006.01) H04W 4/24(2009.01) (86) International application number: PCT/KR2011/009866 (87) International publication number: WO 2012/091349 (05.07.2012 Gazette 2012/27)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 30.12.2010 US 201061428846 P 02.12.2011 US 201113310091 (71) Applicant: SK C&C Co., Ltd. Budang-gu Seongnam-si, Gyeonggi-do 463-844 (KR)	(72) Inventors: KWON, Yong Sung Seongnam-si Gyeonggi-do 463-500 (KR) HONG, Hyung Joon Seoul 138-229 (KR) KANG, Ji Won Seoul 158-050 (KR) KIM, Hyun Jin Yongin-si Gyeonggi-do 448-170 (KR) (74) Representative: Walaski, Jan Filip et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)