Global Patent Index - EP 2885436 A4

EP 2885436 A4 20150819 - RECOVERY OF RARE EARTH METALS

Title (en)

RECOVERY OF RARE EARTH METALS

Title (de)

RÜCKGEWINNUNG VON SELTENERDMETALLEN

Title (fr)

RÉCUPÉRATION DE MÉTAUX TERRES RARES

Publication

EP 2885436 A4 20150819 (EN)

Application

EP 13879584 A 20130814

Priority

  • SE 1250932 A 20120817
  • SE 2013050970 W 20130814

Abstract (en)

[origin: WO2014027950A1] The invention concerns a process for recovering at least one rare earth metal (REM) from the group of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu. A chloride salt melt is provided and aluminium chloride is used to chlorinate a REMcontaining resource. The REM can be recovered by electrolysis, vaporisation or hydrometallurgical methods.

IPC 8 full level

C22B 59/00 (2006.01); C22B 7/00 (2006.01); C25C 3/34 (2006.01)

CPC (source: EP US)

C22B 7/00 (2013.01 - EP US); C22B 59/00 (2013.01 - EP US); C25C 3/34 (2013.01 - EP US); C25C 7/06 (2013.01 - US); Y02P 10/20 (2015.11 - EP US)

Citation (search report)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2014027950 A1 20140220; AU 2013303264 A1 20150305; CA 2881811 A1 20140220; CN 104685078 A 20150603; EP 2885436 A1 20150624; EP 2885436 A4 20150819; JP 2015531827 A 20151105; RU 2015105027 A 20161010; US 2015203979 A1 20150723

DOCDB simple family (application)

SE 2013050970 W 20130814; AU 2013303264 A 20130814; CA 2881811 A 20130814; CN 201380051127 A 20130814; EP 13879584 A 20130814; JP 2015527425 A 20130814; RU 2015105027 A 20130814; US 201314421445 A 20130814