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
CA804052A
Inventor
Maeder Arthur
Huber-Emden Helmut
Schaefer Paul
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.)
BASF Schweiz AG
Original Assignee
Ciba AG
Publication date
Application grantedgrantedCritical
Publication of CA804052ApublicationCriticalpatent/CA804052A/en