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
CA892462A
Inventor
Leighton James
Firth Louis
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.)
Laporte Titanium Ltd
Original Assignee
Laporte Titanium Ltd
Publication date
Application grantedgrantedCritical
Publication of CA892462ApublicationCriticalpatent/CA892462A/en