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.)
Expired
Application number
CA861297A
Inventor
Burr Richard
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.)
Gesellschaft fur Kali-Interessen Mbh
Mines De Potasse D'alsace-Mdpa
Original Assignee
Gesellschaft fur Kali-Interessen Mbh
Mines De Potasse D'alsace-Mdpa
Publication date
Application grantedgrantedCritical
Publication of CA861297ApublicationCriticalpatent/CA861297A/en