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
CA669580A
Inventor
C. Guthrie John
Norman Shirley
S. Mahomed Ramon
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
Courtaulds PLC
Publication date
Application grantedgrantedCritical
Publication of CA669580ApublicationCriticalpatent/CA669580A/en