(19)
(11) EP 3 158 093 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.05.2024 Bulletin 2024/18

(45) Mention of the grant of the patent:
27.03.2024 Bulletin 2024/13

(21) Application number: 15729930.6

(22) Date of filing: 16.06.2015
(51) International Patent Classification (IPC): 
C22B 11/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C22B 11/00
(86) International application number:
PCT/GB2015/051762
(87) International publication number:
WO 2015/193656 (23.12.2015 Gazette 2015/51)

(54)

INTERSEPARATION OF METALS

ZWISCHENTRENNUNG VON METALLEN

INTERSÉPARATION DE MÉTAUX


(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: 18.06.2014 GB 201410883

(43) Date of publication of application:
26.04.2017 Bulletin 2017/17

(73) Proprietors:
  • Johnson Matthey Public Limited Company
    London EC4A 4AB (GB)
  • Anglo American Platinum Limited
    Melrose, Gauteng, 2196 (ZA)

(72) Inventors:
  • GORDON, Ross John
    Henley-on-Thames Oxfordshire RG9 1ED (GB)
  • GRANT, Richard
    Reading Berkshire RG4 9NH (GB)

(74) Representative: Johnson Matthey Plc 
Belasis Avenue
Billingham TS23 1LB
Billingham TS23 1LB (GB)


(56) References cited: : 
CN-A- 102 002 589
US-A1- 2010 095 807
CN-A- 102 417 981
   
  • V. I. MEN'SHIKOV ET AL: "Preconcentration of gold, silver, palladium, platinum, and ruthenium with organophosphorus extractants", RUSSIAN JOURNAL OF APPLIED CHEMISTRY, vol. 82, no. 2, 1 February 2009 (2009-02-01), pages 183-189, XP055210655, ISSN: 1070-4272, DOI: 10.1134/S1070427209020025
  • FRITSCH E ET AL: "Untersuchungen zur Extraktion von Edelmetallen mit Thioethern = Studies on the extraction of noble metals using thio ethers", ZFI-MITTEILUNGEN, LEIPZIG, DE, vol. 67, 1 January 1983 (1983-01-01), pages 5-41, XP009185912, ISSN: 0323-8776
  • EDTMAIER C ET AL: "Process parameters, reaction kinetics and PGM flow during solvent extraction of palladium with Di-alkyl-sulfides", PRECIOUS METALS, PERGAMON, NEW YORK, NY, US, vol. 23, 1 January 1999 (1999-01-01), pages 231-239, XP009185913, ISSN: 8756-0917
  • CLEARE ET AL: "Separation of the platinum group metals by use of selective solvent extraction techniques", EXTRACTION METALLURGY '81 : PAPERS PRESENTED AT A SYMPOSIUM ORGANIZED BY THE INSTITUTION OF MINING AND METALLURGY ... AND HELD IN LONDON FROM 21 TO 23 SEPTEMBER 1981,, 1 January 1981 (1981-01-01), pages 34-41, XP009185923, ISBN: 0-900488-59-X
  • MA ENXIN ET AL: "Solvent extraction of gold(III), palladium(II) and platinum (IV) with sulfur-containing methylphosphonates and .beta.-ketophosphonate", SOLVENT EXTRACTION AND ION EXCHANGE, TAYLOR & FRANCIS GROUP LLC, US, vol. 6, no. 6, 1 January 1988 (1988-01-01) , pages 1035-1047, XP009185911, ISSN: 0736-6299
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).