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
CA656018A
Inventor
Paul Koppehele H.
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.)
Akzo Nobel UK PLC
Original Assignee
American Viscose Corp
Publication date
Application grantedgrantedCritical
Publication of CA656018ApublicationCriticalpatent/CA656018A/en