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
CA914883A
Inventor
Colombo Umberto
C. Hafford Bradford
Uglietti Giuseppe
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
New Jersey Zinc Co
Original Assignee
Montecatini Edison SpA
New Jersey Zinc Co
Publication date
Application grantedgrantedCritical
Publication of CA914883ApublicationCriticalpatent/CA914883A/en