Granted Patent
Utility
US 6,200,602 · App. 09/011,306
Composition for enhanced uptake of polar drugs from the colon
Inventors:
Peter Watts, Lisbeth Illum
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Mar 30, 1998
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.