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.)
PHOSPHATE RECOVERY Corp
Original Assignee
PHOSPHATE RECOVERY Corp
Filing date
Publication date
Application filed by PHOSPHATE RECOVERY CorpfiledCriticalPHOSPHATE RECOVERY Corp
Application grantedgrantedCritical
Publication of AU502437ApublicationCriticalpatent/AU502437A/en
Publication of AU105692B2publicationCriticalpatent/AU105692B2/en
AU5024/37A1937-11-22Improvements in or relating to processes of concentrating nonmetallic minerals from ores containing silicious matter
ExpiredAU105692B2
(en)