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
CA914152A
Inventor
Irmscher Klaus
Cimbollek Gerhard
Kraft Hans-Gunther
Harting Jurgen
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
Merck KGaA
Publication date
Application grantedgrantedCritical
Publication of CA914152ApublicationCriticalpatent/CA914152A/en