Global Patent Index - EP 2670875 A4

EP 2670875 A4 20140813 - COPPER ALLOY MATERIAL FOR SEAWATER AND METHOD FOR PREPARING SAME

Title (en)

COPPER ALLOY MATERIAL FOR SEAWATER AND METHOD FOR PREPARING SAME

Title (de)

KUPFERLEGIERUNGSMATERIAL FÜR SEEWASSER UND VERFAHREN ZU SEINER HERSTELLUNG

Title (fr)

MATÉRIAU D'ALLIAGE DE CUIVRE POUR L'EAU DE MER ET SON PROCÉDÉ DE PRÉPARATION

Publication

EP 2670875 A4 20140813 (EN)

Application

EP 11857456 A 20110511

Priority

  • KR 20110009997 A 20110201
  • KR 2011003449 W 20110511

Abstract (en)

[origin: WO2012105731A1] Disclosed are a copper alloy material for seawater comprising 25% to 40% by weight of zinc (Zn), 0.5% to 10% by weight of manganese (Mn), 0.1% to 5% by weight of nickel (Ni) and the remainder of copper (Cu), a method for preparing the same and a seawater structure manufactured from the same. In addition, the copper alloy material for seawater further comprises, in an amount of 1% by weight or less, at least one element selected from the group consisting of Sn, Al, Si, Co, Fe, P, Mg, Pb and Ca.

IPC 8 full level

C22C 9/04 (2006.01); C22F 1/08 (2006.01)

CPC (source: EP KR)

C22C 9/04 (2013.01 - EP KR); C22F 1/08 (2013.01 - EP KR)

Citation (search report)

  • [XA] JP H10121168 A 19980512 - SANPO SHINDO KOGYO KK
  • [XAY] US 3778236 A 19731211 - GOLDMAN A, et al
  • [XA] JP S59159957 A 19840910 - MITSUBISHI METAL CORP
  • [XA] EP 0931843 A1 19990728 - WIELAND WERKE AG [DE]
  • [A] JP H10152735 A 19980609 - SANPO SHINDO KOGYO KK
  • [XAY] TYLER D E ET AL: "Manganese in copper based alloys", JOURNAL OF METALS,, vol. 25, no. 1, 1 January 1973 (1973-01-01), pages 24 - 29, XP001263204
  • [XA] POPPLEWELL J M ET AL: "Stress corrosion resistance of some copper base alloys in natural atmospheres", CORROSION, NACE INTERNATIONAL, HOUSTON, TX; US, US, vol. 31, no. 8, 1 August 1975 (1975-08-01), pages 279 - 286, XP009178566, ISSN: 0010-9312
  • [A] MUKHERJEE D ET AL: "Corrosion resistant and antifouling behavior of Cu-Mn alloys in sea-water", BULLETIN OF ELECTROCHEMISTRY, KARAIKUDI, vol. 9, no. 8-10, 1 January 1993 (1993-01-01), pages 427 - 429, XP009122244, ISSN: 0256-1654
  • [A] SCHMIDT ROBERT F ET AL: "MARINE CORROSION OF A WHITE COPPER-BASE ALLOY WITH ZINC, MANGANESE, NICKEL AND ALUMINUM", TRANSACTIONS OF THE AMERICAN FOUNDRYMEN'S SOCIETY,, vol. 81, 1 January 1973 (1973-01-01), pages 471 - 474, XP009178562, ISSN: 0065-8375
  • See references of WO 2012105731A1

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 2012105731 A1 20120809; AU 2011357615 A1 20130801; CL 2013002197 A1 20140228; CN 103403201 A 20131120; EP 2670875 A1 20131211; EP 2670875 A4 20140813; EP 2670875 B1 20161102; JP 2014506627 A 20140317; JP 5911891 B2 20160427; KR 101260912 B1 20130506; KR 20120088978 A 20120809

DOCDB simple family (application)

KR 2011003449 W 20110511; AU 2011357615 A 20110511; CL 2013002197 A 20130731; CN 201180066496 A 20110511; EP 11857456 A 20110511; JP 2013552452 A 20110511; KR 20110009997 A 20110201