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
CA645569A
Inventor
F. Manchester Donald
Ul Hossain Shafi
E. Gilwood Martin
B. Mindler Albert
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.)
Abitibi Power and Paper Co Ltd
Original Assignee
Abitibi Power and Paper Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA645569ApublicationCriticalpatent/CA645569A/en