(19)
(11) EP 0 621 891 A1

(12)

(43) Date of publication:
02.11.1994 Bulletin 1994/44

(21) Application number: 92902122.0

(22) Date of filing: 15.01.1992
(51) International Patent Classification (IPC): 
A23J 1/ 10( . )
C14C 3/ 32( . )
C09H 1/ 04( . )
(86) International application number:
PCT/EP1992/000105
(87) International publication number:
WO 1993/014170 (22.07.1993 Gazette 1993/18)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE

(71) Applicants:
  • KATAKIS, Dimitris
    NL-2611 PW Delft (NL)
  • POULOPOULOU, Vassiliki
    GR-114 73 Athens (GR)
  • VRACHNOU-DORIER, Ersi
    GR-15341 Athens (GR)

(72) Inventors:
  • KATAKIS, Dimitris
    NL-2611 PW Delft (NL)
  • KONSTANTATOS, John
    GR-152 31 Athens (GR)
  • POULOPOULOU, Vassiliki
    GR-114 73 Athens (GR)
  • VRACHNOU-DORIER, Ersi
    GR-153 41 Athens (GR)

(74) Representative: de Bruijn, Leendert C., et al 
Nederlandsch Octrooibureau P.O. Box 29720
NL-2502 LS Den Haag
NL-2502 LS Den Haag (NL)

   


(54) METHOD FOR THE REMOVAL OF METALS FROM STARTING MATERIALS COMPRISING PROTEINACEOUS SUBSTANCES AS WELL AS MATERIAL OBTAINABLE ACCORDING TO SUCH A METHOD