Granted Patent
Utility
US 5,801,023 · App. 08/669,555
Antiparasitic pyrrolobenzoxazine compounds
Inventors:
Yasuhiro Kojima, Yuji Yamauchi, Nakao Kojima, Bernard Bishop
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Nov 29, 1996
Inventors
Yasuhiro Kojima
Yuji Yamauchi
Nakao Kojima
Bernard Bishop
Assignee (at issue)
Pfizer Inc.
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.