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
CA817569A
Inventor
Denti Francesco
Polacco Ezio
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.)
Acsa Applicazioni Chimiche SpA
Original Assignee
Acsa Applicazioni Chimiche SpA
Publication date
Application grantedgrantedCritical
Publication of CA817569ApublicationCriticalpatent/CA817569A/en