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.)
Krafft Leon Louis Charles
Schischkar Jean Edouard
Original Assignee
Krafft Leon Louis Charles
Schischkar Jean Edouard
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 Krafft Leon Louis Charles, Schischkar Jean EdouardfiledCriticalKrafft Leon Louis Charles
Priority to ES2880ApriorityCriticalpatent/ES2880A1/en
Publication of ES2880A1publicationCriticalpatent/ES2880A1/en
ES2880A1882-11-221882-11-22
A procedure for the treatment of zinc or copper ores by ammonia, by means of devices specific to the object.
ExpiredES2880A1
(en)