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 FR7327649Aexternal-prioritypatent/FR2244515A1/fr
Priority claimed from FR7418808Aexternal-prioritypatent/FR2272668A2/fr
Application filed by Rhone Poulenc SAfiledCriticalRhone Poulenc SA
Priority to ES76449454ApriorityCriticalpatent/ES449454A1/es
Publication of ES449454A1publicationCriticalpatent/ES449454A1/es