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
CA837071A
Inventor
Bruckner Klaus
Wieters Erich
Halpaap Herbert
Rossler Hubert
Baron Karl-Heinz
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 CA837071ApublicationCriticalpatent/CA837071A/en