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
CA842674A
Inventor
Abson Derek
P. Taylor Richard
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.)
COLUMBIA CELLULOSE Co
Original Assignee
COLUMBIA CELLULOSE Co
Publication date
Application grantedgrantedCritical
Publication of CA842674ApublicationCriticalpatent/CA842674A/en