Global Patent Index - EP 3612654 A4

EP 3612654 A4 20200422 - PRODUCTION METHOD FOR SCANDIUM METAL AND AL-SC ALLOYS VIA ELECTROLYSIS OF FLUORINATED SCANDIUM SALTS OBTAINED BY THE CALCINATION OF SCANDIUM COMPOUND IN THE FORM OF (NH4)2NASCF6

Title (en)

PRODUCTION METHOD FOR SCANDIUM METAL AND AL-SC ALLOYS VIA ELECTROLYSIS OF FLUORINATED SCANDIUM SALTS OBTAINED BY THE CALCINATION OF SCANDIUM COMPOUND IN THE FORM OF (NH4)2NASCF6

Title (de)

HERSTELLUNGSVERFAHREN FÜR SCANDIUMMETALL UND AL-SC-LEGIERUNGEN DURCH ELEKTROLYSE FLUORIERTER SCANDIUMSALZE AUS DER KALZINIERUNG EINER SCANDIUMVERBINDUNG IN FORM VON (NH4)2NASCF6

Title (fr)

PROCÉDÉ DE PRODUCTION DE SCANDIUM ET D'ALLIAGES AL-SC PAR ÉLECTROLYSE DE SELS DE SCANDIUM FLUORÉS OBTENUS PAR CALCINATION D'UN COMPOSÉ DE SCANDIUM SOUS LA FORME DE (NH 4) 2NASCF 6

Publication

EP 3612654 A4 20200422 (EN)

Application

EP 18849073 A 20180306

Priority

  • TR 201704146 A 20170320
  • TR 2018050078 W 20180306

Abstract (en)

[origin: WO2019040016A2] The invention relates to scandium metal obtained in its pure or alloy form, by removing (NH4) form via calcining the initial scandium compound in (NH4)2NaScF6 form and via molten salt electrolysis of fluorinated scandium compounds in NaScF4 and Na3ScF6 forms that resulted after the calcination process.

IPC 8 full level

C22B 59/00 (2006.01); C01F 11/22 (2006.01); C25C 3/36 (2006.01)

CPC (source: EP)

C22B 59/00 (2013.01); C25C 3/34 (2013.01); C25C 3/36 (2013.01)

Citation (search report)

  • [A] CN 1410599 A 20030416 - CHINESE ALUMINIUM INDUSTRY CO [CN]
  • [A] M. HARATA ET AL: "Production of scandium and Al-Sc alloy by metallothermic reduction", TRANSACTIONS - INSTITUTION OF MINING AND METALLURGY. SECTION C.MINERAL PROCESSING AND EXTRACTIVE METALLURGY, vol. 117, no. 2, 1 July 2013 (2013-07-01), GB, pages 95 - 99, XP055644678, ISSN: 0371-9553, DOI: 10.1179/174328508X290876
  • [A] HARATA M ET AL: "Electrochemical production of Al-Sc alloy in CaCl"2-Sc"2O"3 molten salt", JOURNAL OF ALLOYS AND COMPOUNDS, ELSEVIER SEQUOIA, LAUSANNE, CH, vol. 474, no. 1-2, 17 April 2009 (2009-04-17), pages 124 - 130, XP025970687, ISSN: 0925-8388, [retrieved on 20080813], DOI: 10.1016/J.JALLCOM.2008.06.110
  • See references of WO 2019040016A2

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 2019040016 A2 20190228; WO 2019040016 A3 20190425; EP 3612654 A2 20200226; EP 3612654 A4 20200422; EP 3612654 B1 20210908

DOCDB simple family (application)

TR 2018050078 W 20180306; EP 18849073 A 20180306