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US1121226A
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Dry treatment of ores.
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GB191329033A
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Improvements relating to the Agglomeration of Ores and Metallurgical Products.
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Treatment of zinc-lyes.
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Improvements relating to the Reduction of Zinc Oxide.
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Improvements in or relating to the Treatment of Zinc Lyes.
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Ore roasting process and apparatus
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Improved Process and Apparatus for Roasting Fine Ores.
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GB189709996A
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New or Improved Process for Obtaining Thorium Oxide and for Enriching Monazite Sands.
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