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
CA758164A
Inventor
Toepfl Rosemarie
Schibler Luzius
Maeder Arthur
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 CA758164ApublicationCriticalpatent/CA758164A/en