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
CA872238A
Inventor
Wilhelm Max
Schmidt Paul
Eichenberger Kurt
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 Co Ltd
Original Assignee
CIBA Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA872238ApublicationCriticalpatent/CA872238A/en