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
CA817920A
Inventor
Sloli Giancarlo
Sabatini Alberto
Sanchioni Sergio
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.)
SNIA Viscosa SpA
Original Assignee
SNIA Viscosa SpA
Publication date
Application grantedgrantedCritical
Publication of CA817920ApublicationCriticalpatent/CA817920A/en