Granted Patent
Utility
US 6,468,989 · App. 09/615,169
Gel compositions containing metronidazole
Inventors:
Yunik Chang, Gordon J. Dow, Arturo Angel
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Jul 13, 2000
Inventors
Yunik Chang
Gordon J. Dow
Arturo Angel
Assignee (at issue)
Dow Pharmaceutical Sciences, 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.