Granted Patent
Utility
US 6,514,531 · App. 09/857,154
Controlled-release dosage forms comprising zolpidem or a salt thereof
Inventors:
Gerard Alaux, Gareth Lewis, Frederic Andre
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Jul 16, 2001
Inventors
Gerard Alaux
Gareth Lewis
Frederic Andre
Assignee (at issue)
Sanofi-Synthelabo
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.