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
CA653859A
Inventor
Ellis Bernard
E. Hill Betty
Petrow Vladimir
M. Williamson David
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 CA653859ApublicationCriticalpatent/CA653859A/en