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.)
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 Geigy Investments Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CA000318328Aexternal-prioritypatent/CA1234242A/fr
Application filed by Ciba Geigy Investments LtdfiledCriticalCiba Geigy Investments Ltd
Priority to CA000396116ApriorityCriticalpatent/CA1142949A/fr
Application grantedgrantedCritical
Publication of CA1142949ApublicationCriticalpatent/CA1142949A/fr