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
CA725252A
Inventor
Buning Robert
Konermann Hans-Ewald
Diessel Karl-Heinz
Kraemer Bernhard
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
Publication date
Application grantedgrantedCritical
Publication of CA725252ApublicationCriticalpatent/CA725252A/en