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
CA707843A
Inventor
Richtzenhain Hermann
Vogt Wilhelm
Janssen Paul
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 CA707843ApublicationCriticalpatent/CA707843A/en