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
CA638135A
Inventor
T. Woodberry Norman
T. Moore Sewell
Jen Yun
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
Publication date
Application grantedgrantedCritical
Publication of CA638135ApublicationCriticalpatent/CA638135A/en