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
CA646287A
Inventor
Burn Derek
N. Kirk David
Petrow Vladimir
O. Weston George
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.)
BDH Chemicals Ltd
Original Assignee
BDH Chemicals Ltd
Publication date
Application grantedgrantedCritical
Publication of CA646287ApublicationCriticalpatent/CA646287A/en