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 IT30618/78Aexternal-prioritypatent/IT1100788B/en
Priority claimed from IT26734/79Aexternal-prioritypatent/IT1125577B/en
Priority claimed from AT0770279Aexternal-prioritypatent/AT364832B/en
Application filed by Montedison SpafiledCriticalMontedison Spa
Priority to AT130181ApriorityCriticalpatent/AT369649B/en
Publication of ATA130181ApublicationCriticalpatent/ATA130181A/en
Application grantedgrantedCritical
Publication of AT369649BpublicationCriticalpatent/AT369649B/en