US1526525A
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Production of hydrocyanic acid
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GB156478A
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Improvements in furnaces
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GB156479A
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Improved process for fixing atmospheric nitrogen
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US1352193A
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Proces for fixing atmospheric nitrogen
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GB150127A
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An improved apparatus for the fixation of nitrogen
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US1352192A
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Process and means for producing metallic cyanids
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US1352210A
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Apparatus for recovering material from solution
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US1328938A
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Process of producing alkali-metal ferricyanids and the like
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US1352162A
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Production of substantially pure carbon and the like
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US1298363A
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Method of fixing nitrogen.
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US1241920A
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Process of producing urea.
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CA169163A
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Nitrogen fixing process
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CA169161A
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Nitrogen fixing process
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CA162023A
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Nitrogen fixing process
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CA161130A
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Cyanogen compound
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AU1480514B
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Improved electrical process for producing cyanides
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US1174944A
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Molten-bath process for fixing nitrogen and means for effecting the same.
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US1174668A
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Process of fixing nitrogen and electric furnace for effecting the same.
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US1221506A
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Process of producing the bicarbonate of an alkali or alkaline-earth metal.
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US1241919A
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Process of producing urea.
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