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
CA713578A
Inventor
Engelfried Otto
Schargan Karl
Wiechert Rudolf
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.)
Bayer Pharma AG
Original Assignee
Schering AG
Publication date
Application grantedgrantedCritical
Publication of CA713578ApublicationCriticalpatent/CA713578A/en