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.)
Hoechst AG
Original Assignee
Hoechst AG
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 DE19772718858external-prioritypatent/DE2718858A1/de
Priority claimed from DE19772718857external-prioritypatent/DE2718857A1/de
Priority claimed from CA301,550Aexternal-prioritypatent/CA1103592A/fr
Application filed by Hoechst AGfiledCriticalHoechst AG
Priority to CA370,134ApriorityCriticalpatent/CA1114310A/fr
Application grantedgrantedCritical
Publication of CA1114310ApublicationCriticalpatent/CA1114310A/fr