US2665259A
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Absorbent and process for preparation thereof
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CA512676A
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Concentration of land pebble phosphate
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CA540390A
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Absorbent and process for preparation thereof
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CA519380A
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Concentration of sylvite from sylvinite ores
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CA498587A
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Method of drying alcohols
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CA539259A
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Bodied lubricant compositions
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CA533982A
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Continuous percolation system
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CA569541A
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Bodied organic liquids and process for preparation thereof
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CA499305A
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Concentration of oxidized iron ores by froth flotation in the presence of carbohydrate xanthates
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CA499304A
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Concentration of oxidized iron ores by froth flotation in the presence of carbohydrate xanthates
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CA527744A
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Concentration of phosphate ores
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CA512677A
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Production of phosphate furnace feed
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CA502859A
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Concentration of phosphate ores
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CA525828A
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Purification of activated glass sands
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