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
CA643555A
Inventor
B. Gechele Giovanni
Guzzetta Giuseppe
Sabbioni Franco
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 Societa Generale per lIndustria Mineraria e Chimica SpA
Publication date
Application grantedgrantedCritical
Publication of CA643555ApublicationCriticalpatent/CA643555A/en