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
CA722211A
Inventor
R. Moore Frederick
F. Bondy Herbert
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.)
Coalite and Chemical Products Ltd
Original Assignee
Coalite and Chemical Products Ltd
Publication date
Application grantedgrantedCritical
Publication of CA722211ApublicationCriticalpatent/CA722211A/en