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
CA686740A
Inventor
Vardanega Virgilio
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.)
I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA
Original Assignee
I C P M INDUSTRIE CHIMICHE PORTO MARGHERA SpA
Publication date
Application grantedgrantedCritical
Publication of CA686740ApublicationCriticalpatent/CA686740A/en