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
CA822970A
Inventor
Egri Laszlo
Buchmann Paul
Beringer Monique
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.)
Tamag Basel AG
Original Assignee
Tamag Basel AG
Publication date
Application grantedgrantedCritical
Publication of CA822970ApublicationCriticalpatent/CA822970A/en