Granted Patent
Utility
US 4,935,511 · App. 07/412,768
Benzoxazine and benzoxazepine carboxamide 5-HT.sub.3 antagonists
Inventors:
Raymond D. Youssefyeh, Jeffrey Claude Pelletier, Henry F. Campbell
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Sep 26, 1989
Inventors
Raymond D. Youssefyeh
Jeffrey Claude Pelletier
Henry F. Campbell
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.