(19)
(11) EP 0 972 001 A1

(12)

(43) Date of publication:
19.01.2000 Bulletin 2000/03

(21) Application number: 98901790.0

(22) Date of filing: 09.01.1998
(51) International Patent Classification (IPC)7C11D 3/33
(86) International application number:
PCT/US9800/591
(87) International publication number:
WO 9831/779 (23.07.1998 Gazette 1998/29)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE

(30) Priority: 21.01.1997 EP 97870004

(71) Applicant: THE PROCTER & GAMBLE COMPANY
Cincinnati,Ohio 45202 (US)

(72) Inventors:
  • SCHOWANEK, Diederik, Rudolf
    B-9070 Heusden-Destelbergen (BE)
  • FEIJTEL, Tom, Cornelis
    B-1435 Hevillers (BE)

(74) Representative: Peet, Jillian Wendy et al
Procter & Gamble Technical Centres Limited,Whitley Road,Longbenton
Newcastle upon Tyne NE12 9TS
Newcastle upon Tyne NE12 9TS (GB)

   


(54) SEPARATION OF HEAVY METALS AND MATERIALS FOR USE IN THIS