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
CA890986A
Inventor
Tammela Viljo
Mahonen Pekka
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.)
Neste Oyj
Original Assignee
Neste Oyj
Publication date
Application grantedgrantedCritical
Publication of CA890986ApublicationCriticalpatent/CA890986A/en