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
CA667059A
Inventor
F. Keirstead Karl
Giguere Jacques
Fortin Guy
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.)
Lignosol Chemicals Ltd
Original Assignee
Lignosol Chemicals Ltd
Publication date
Application grantedgrantedCritical
Publication of CA667059ApublicationCriticalpatent/CA667059A/en