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
CA637215A
Inventor
Shen Tsung-Ying
F. Rogers Edward
H. Sarett Lewis
Original Assignee
Merck and Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA637215ApublicationCriticalpatent/CA637215A/en