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
CA810197A
Inventor
Erb Rolf
Mehrhof Werner
Kieser Hartmut
Irmscher Klaus
Bork Karl-Heinz
Bruckner Klaus
Kraft Hans-Gunther
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 CA810197ApublicationCriticalpatent/CA810197A/en