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
CA764673A
Inventor
Leunig Heimbert
Meyer Rudolf
Buchner Eberhard
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.)
Wasag Chemie AG
Original Assignee
Wasag Chemie AG
Publication date
Application grantedgrantedCritical
Publication of CA764673ApublicationCriticalpatent/CA764673A/en