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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C01F7/42
Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation
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C01F7/428
by oxidation in an aqueous solution
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