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
CA781404A
Inventor
Bruns Ludwig
Schnuchel Gunther
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.)
Erdoelchemie GmbH
Original Assignee
Erdoelchemie GmbH
Publication date
Application grantedgrantedCritical
Publication of CA781404ApublicationCriticalpatent/CA781404A/en