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
CA905029A
Inventor
M. Edwards Raymond
J. Tierney Patrick
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.)
Permanite Ltd
Original Assignee
Permanite Ltd
Publication date
Application grantedgrantedCritical
Publication of CA905029ApublicationCriticalpatent/CA905029A/en