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
CA749946A
Inventor
V. Werder Fritz
Reiff Fritz
Nowak Herbert
Bruckner Klaus
Hampel Bruno
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.)
Merck KGaA
Original Assignee
E Merck AG
Publication date
Application grantedgrantedCritical
Publication of CA749946ApublicationCriticalpatent/CA749946A/en