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
CA900340A
Inventor
Risse Roger
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.)
Lyonnaise des Applications Catalytiques Ste
Original Assignee
Lyonnaise des Applications Catalytiques Ste
Publication date
Application grantedgrantedCritical
Publication of CA900340ApublicationCriticalpatent/CA900340A/en