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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 FR7317516Aexternal-prioritypatent/FR2229400A1/en
Priority claimed from FR7408730Aexternal-prioritypatent/FR2263752A1/en
Priority claimed from FR7408728Aexternal-prioritypatent/FR2286642A2/en
Application filed by Rhone Poulenc SAfiledCriticalRhone Poulenc SA
Priority claimed from FR7528951Aexternal-prioritypatent/FR2324305A2/en
Application grantedgrantedCritical
Publication of CA1012971ApublicationCriticalpatent/CA1012971A/en