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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES8071ApriorityCriticalpatent/ES8071A2/en
Publication of ES8071A2publicationCriticalpatent/ES8071A2/en
ES8071A1888-03-231888-03-23
Improvements in the procedure for the treatment of enriched powdered mineral concentrates and pyritic minerals.
ExpiredES8071A2
(en)
Improvements in the devices to separate metals, minerals and other dense bodies from minerals or associated materials, also applicable to classify them according to their size.