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
CA624501A
Inventor
Iii Karl Pfister
A. Stein Gustav
Original Assignee
Merck and Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA624501ApublicationCriticalpatent/CA624501A/en