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
CA772617A
Inventor
Bernard Belleau
Yvon G. Perron
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.)
Bristol Laboratories of Canada
Original Assignee
Bristol Laboratories of Canada
Publication date
Application grantedgrantedCritical
Publication of CA772617ApublicationCriticalpatent/CA772617A/en