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
CA893133A
Inventor
Vahlensieck Hans-Joachim
Seiler Claus-Dietrich
Kotzsch Hans-Joachim
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 CA893133ApublicationCriticalpatent/CA893133A/en