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.)
COWPER COLES SHERARD OSBORN
Original Assignee
COWPER COLES SHERARD OSBORN
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Filing date
Publication date
Application filed by COWPER COLES SHERARD OSBORNfiledCriticalCOWPER COLES SHERARD OSBORN
Priority to ES22885ApriorityCriticalpatent/ES22885A1/en
Publication of ES22885A1publicationCriticalpatent/ES22885A1/en
ES22885A1898-07-181898-07-18
Improvements in the treatment of minerals in masses containing zinc, to remove zinc and other metals from them.
ExpiredES22885A1
(en)