(19)
(11) EP 1 406 842 A1

(12)

(43) Date of publication:
14.04.2004 Bulletin 2004/16

(21) Application number: 02749015.0

(22) Date of filing: 12.07.2002
(51) International Patent Classification (IPC)7C02F 1/42, B09C 1/02
(86) International application number:
PCT/GB2002/003215
(87) International publication number:
WO 2003/008339 (30.01.2003 Gazette 2003/05)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 13.07.2001 DE 10133570
23.05.2002 WO PCT/DE02/01915

(71) Applicants:
  • Novoktan Gmbh Mineralöl-Additive
    14727 Döberitz (DE)

    AT BE BG CH CY CZ DE DK EE ES FI FR GR IE IT LU MC NL PT LI SE SK TR 
  • The Associated Octel Company Limited
    Manchester M90 4AA (GB)

    GB 

(72) Inventors:
  • KLEE, Wolfgang
    14715 Berlin (DE)
  • HALBMAIR, Ulrich
    14727 Permnitz (DE)
  • WUNTKE, Knut
    14715 Milow (DE)

(74) Representative: Alcock, David 
D Young & Co,21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)

   


(54) PROCESS FOR THE EXTRACTION OF AN ORGANIC HEAVY METAL COMPOUND FROM AN AQUEOUS MEDIUM