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
CA598772A
Inventor
L. Sainty Christopher
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.)
Structural Concrete Components Ltd
Original Assignee
Structural Concrete Components Ltd
Publication date
Application grantedgrantedCritical
Publication of CA598772ApublicationCriticalpatent/CA598772A/en
Improvements in or relating to methods of manufacturing rigid closed-cell cellular materials based on polyvinylchloride andthe products obtained thereby