ES8440A2 -
Improvements in the procedure for the extraction of copper using concentration and therefore the suppression of any further refining.
- Google Patents
Improvements in the procedure for the extraction of copper using concentration and therefore the suppression of any further refining.
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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Ledeboer P H
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Ledeboer P H
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Publication date
Application filed by Ledeboer P HfiledCriticalLedeboer P H
Priority to ES8440ApriorityCriticalpatent/ES8440A2/en
Publication of ES8440A2publicationCriticalpatent/ES8440A2/en
ES8440A1888-06-301888-06-30
Improvements in the procedure for the extraction of copper using concentration and therefore the suppression of any further refining.
ExpiredES8440A2
(en)
A chemical process to extract the pure copper from the coppery waters in the lagoons of the copper mines, disabling the concentration and therefore the suppression of all further refining.
Improvements introduced in the treatment of metals, either to separate them from their minerals, to refine them, to make alloys or for other similar operations.
An apparatus for holding, classifying and storing writings, letters, public deeds, etc., which can be assembled and placed by means of simple assemblies or unions.