Granted Patent
Utility
US 5,859,279 · App. 08/926,644
Compound and process
Inventors:
Robin M. Bannister, Graham Robert Evans
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Sep 10, 1997
Inventors
Robin M. Bannister
Graham Robert Evans
Assignee (at issue)
Darwin Discovery 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.