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
CA842937A
Inventor
Delbouille Andre
Deroitte Jean-Louis
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.)
Solvay SA
Original Assignee
Solvay SA
Publication date
Application grantedgrantedCritical
Publication of CA842937ApublicationCriticalpatent/CA842937A/en