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
CA652201A
Inventor
C. Kimmerling Francois
P. W. Thompson Derek
Original Assignee
Courtaulds PLC
Publication date
Application grantedgrantedCritical
Publication of CA652201ApublicationCriticalpatent/CA652201A/en