Metallurgical apparatus – Means for treating ores or for extracting metals – By means precipitating metal from solution
Reexamination Certificate
2007-05-14
2010-06-15
King, Roy (Department: 1793)
Metallurgical apparatus
Means for treating ores or for extracting metals
By means precipitating metal from solution
C029S428000, C029S524000, C029S897300, C029S897310, C029S897340, C156S060000, C422S224000
Reexamination Certificate
active
07736584
ABSTRACT:
The invention relates to a method for manufacturing a mixer-settler used in hydrometallurgical metal processes, such as liquid-liquid extraction, and to a mixer-settler structure where chemically resistant material, such as plate-like wall elements made of reinforced plastic, is used.
REFERENCES:
patent: 5457919 (1995-10-01), Stultz et al.
patent: 5662861 (1997-09-01), Taylor
patent: 8433117 (1987-08-01), None
patent: 974605 (1999-06-01), None
patent: 1242797 (1971-08-01), None
Kahikko Antti
Nivala Timo
Chernoff Vilhauer McClung & Stenzel LLP
King Roy
Outotec Oyj
Polyansky Alexander
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