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Chemische Fabrik Von Heyden AG
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Chemische Fabrik Von Heyden AG
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Application filed by Chemische Fabrik Von Heyden AGfiledCriticalChemische Fabrik Von Heyden AG
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Publication of GB191305051ApublicationCriticalpatent/GB191305051A/en
Improvements in, and Apparatus for, the Manufacture of Alkali Metal Amides, Cyanamides, Cyanides, and Products such as Hydrates, from Alloys of Alkali Metals.
The Fixation of Nitrogen as Cyanamides or Cyanides of Metals with or without subsequent Treatment for Obtaining Ammonia and Alkalis or other Derived Products.
Process for increasing the yield of chromium in the aluminothermic production of carbon-free ferro-chromium or multiple alloys thereof from chrome-iron ore