Granted Patent
Utility
US 5,866,568 · App. 08/658,969
Heterocyclic compounds
Inventors:
Robert Hugh Bradbury, Roger John Butlin, Roger James
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Jun 4, 1996
Inventors
Robert Hugh Bradbury
Roger John Butlin
Roger James
Assignee (at issue)
Zeneca Limited
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.