Granted Patent
Utility
US 5,550,122 · App. 08/292,123
Pyrido[2,3-b][1,5]benzoxazepin (and thiazepin)-5(6H)-ones and thiones and their use on the treatment of HIV infection
Inventors:
Karl D. Hargrave, Gunther Schmidt
Patented Case
View Patent ↗
Granted: Aug 27, 1996
Filed: Aug 17, 1994
Inventors
Karl D. Hargrave
Gunther Schmidt
Assignee (at issue)
Boehringer Ingelheim Pharmaceuticals, 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.