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
CA657694A
Inventor
Caliezi Armin
Gaertner Hans
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.)
CIBA Ltd
Original Assignee
CIBA Ltd
Publication date
Application grantedgrantedCritical
Publication of CA657694ApublicationCriticalpatent/CA657694A/en