Granted Patent
Utility
US 6,451,815 · App. 09/353,462
Method of enhancing bioavailability of fexofenadine and its derivatives
Inventors:
Kin-Kai Hwang, Dennis Giesing, Gail H. Hurst
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Jul 13, 1999
Inventors
Kin-Kai Hwang
Dennis Giesing
Gail H. Hurst
Assignee (at issue)
Aventis Pharmaceuticals Inc.
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.