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
CA633571A
Inventor
Henne Hans
Budan Gerhard
Ratsch Kurt
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 CA633571ApublicationCriticalpatent/CA633571A/en