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
CA747997A
Inventor
Klinkmann Kurt
Schmidt Karl-Ludwig
Erdmenger Rudolf
Oetke Walter
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 AG
Original Assignee
Bayer AG
Publication date
Application grantedgrantedCritical
Publication of CA747997ApublicationCriticalpatent/CA747997A/en