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GB892629A
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Method and means for producing heat without any combustion gases
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GB882607A
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Improvements relating to the electrolytic concentration of heavy water in water
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DE966959C
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Process for separating aluminum compounds from slag
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GB650962A
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Method of purifying alumina
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GB643479A
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Method of manufacturing sulphurous anhydride
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GB632945A
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Process for manufacturing cast iron
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GB643849A
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Process for making valuable products out of metallurgical slags
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GB640905A
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Process for the manufacture of calcium aluminates
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GB647129A
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Process for treating cellulosic raw materials
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GB638496A
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Process for treating cellulosic raw material in order to obtain valuable products and by-products
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GB637578A
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Methods for extracting alumina from raw anhydrous calcium aluminates
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GB635612A
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Process for manufacturing phosphorus products and alumina and eventually hydraulic cements
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GB640145A
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Improved process for extracting alumina from calcium aluminates
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GB616103A
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Process for recovering alumina and a residue rich in iron out of bauxites and similar ores
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GB648248A
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Method for making a water solution of raw aluminates of lime and its application to the manufacture of alumina
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GB632164A
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Method for the manufacture of aluminous cements, with special reference to white aluminous cement
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GB640348A
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Improvements in processes for producing magnesium hydroxide from magnesium salts in aqueous solutions
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GB635611A
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Improved settling tanks
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GB617420A
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Method of preparing aqueous suspensions of magnesia
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GB625728A
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Recovery of magnesia and sulphur contained in sea-water and similar solutions
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