Granted Patent
Utility
US 4,924,010 · App. 07/351,685
Benzoxepins as intermediates to 5HT.sub.3 antagonists
Inventors:
Raymond D. Youssefyeh, Scott I. Klein, Henry F. Campbell, Donald E. Kuhla
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jul 31, 1989
Inventors
Raymond D. Youssefyeh
Scott I. Klein
Henry F. Campbell
Donald E. Kuhla
Assignee (at issue)
Rorer Pharmaceutical Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.