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.)
Expired
Application number
CA866300A
Inventor
Crespi Giovanni
Sartori Guido
Mazzanti Giorgio
Natta Giulio
Valvassori Alberto
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.)
Montedison SpA
Original Assignee
Montecatini Edison SpA
Publication date
Application grantedgrantedCritical
Publication of CA866300ApublicationCriticalpatent/CA866300A/en