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
CA722681A
Inventor
Hauptmann Karl-Heinz
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 Ltd
Original Assignee
BOEHRINGER INGELHEIM Ltd
Publication date
Application grantedgrantedCritical
Publication of CA722681ApublicationCriticalpatent/CA722681A/en