Patent classifications
C
CHEMISTRY; METALLURGY
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C01
INORGANIC CHEMISTRY
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C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
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C01F7/02
Aluminium oxide; Aluminium hydroxide; Aluminates
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C01F7/04
Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
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C01F7/06
by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
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C01F7/066
Treatment of the separated residue
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