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.)
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.)
Merck Frosst Canada and Co
Original Assignee
Charles E Frosst and Co
Publication date
Application grantedgrantedCritical
Publication of CA386171ApublicationCriticalpatent/CA386171A/fr