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
CA842823A
Inventor
Merz Herbert
Langbein Adolf
Schroeder Hans-Detlef
Zeile Karl
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.)
Boehringer Ingelheim GmbH
Original Assignee
Boehringer Ingelheim GmbH
Publication date
Application grantedgrantedCritical
Publication of CA842823ApublicationCriticalpatent/CA842823A/en