(19)
(11) EP 2 670 875 A1

(12)

(43) Date of publication:
11.12.2013 Bulletin 2013/50

(21) Application number: 11857456.5

(22) Date of filing: 11.05.2011
(51) International Patent Classification (IPC): 
C22C 9/04(2006.01)
C22F 1/08(2006.01)
(86) International application number:
PCT/KR2011/003449
(87) International publication number:
WO 2012/105731 (09.08.2012 Gazette 2012/32)
(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: 01.02.2011 KR 20110009997

(71) Applicant: Poongsan Corporation
Seodaemun-gu Seoul 120-013 (KR)

(72) Inventors:
  • KIM, In Dal
    Anyang-si Gyeonggi-do 431-080 (KR)
  • LEE, Dong Woo
    Daejeon 302-752 (KR)
  • KIM, Dae Hyun
    Ulsan 680-812 (KR)
  • LEE, Ji Hoon
    Daejeon 305-751 (KR)

(74) Representative: Petraz, Gilberto Luigi et al
GLP S.r.l.
Viale Europa Unita, 171 33100 Udine
Viale Europa Unita, 171 33100 Udine (IT)

   


(54) COPPER ALLOY MATERIAL FOR SEAWATER AND METHOD FOR PREPARING SAME