Granted Patent
Utility
US 6,342,251 · App. 09/586,139
Compositions for nasal administration
Inventors:
Lisbeth Illum, Peter Watts
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Jun 2, 2000
Inventors
Lisbeth Illum
Peter Watts
Assignee (at issue)
West Pharmaceutical Services Drug Delivery & Clinical Research Centre Ltd.
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.