Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Pechiney SA
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Pechiney SA
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Publication date
Application filed by Pechiney SAfiledCriticalPechiney SA
Publication of ES227688A1publicationCriticalpatent/ES227688A1/en
Process for the manufacture of calcium, characterized in that it consists in decomposing the commercial calcium carbide by heating it under vacuum, at a temperature between 1,400 and 1,700ºc, with fractional condensation of lime and calcium carbide concretions at 1,200ºc and, a then, the metallic calcium, by cooling by water. (Machine-translation by Google Translate, not legally binding)
ES0227688A1955-04-071956-04-04Procedure and apparatus for the manufacture of calcium. (Machine-translation by Google Translate, not legally binding)
ExpiredES227688A1
(en)
Procedure for the continuous gasification and the economic treatment of low value first materials (Machine-translation by Google Translate, not legally binding)
A procedure for the deviation of heat during the transformation of solid materials with gases (Machine-translation by Google Translate, not legally binding)