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
CA901261A
Inventor
Jahn-Held Wilhelm
Braun Otto
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.)
Wintershall AG
Original Assignee
Wintershall AG
Publication date
Application grantedgrantedCritical
Publication of CA901261ApublicationCriticalpatent/CA901261A/en