Granted Patent
Utility
US 6,432,440 · App. 09/402,976
Pectin compositions and methods of use for improved delivery of drugs to mucosal surfaces
Inventors:
Peter Watts, Lisbeth Illum
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jan 20, 2000
Inventors
Peter Watts
Lisbeth Illum
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.