Granted Patent
Utility
US 5,185,159 · App. 07/654,027
Pharmaceutical composition based on valproic acid and a process for preparing it
Inventors:
Daniel Aubert, Francis Blanc, Henri Desmolin, Michel Morre, Lucette Sindely
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Feb 12, 1991
Inventors
Daniel Aubert
Francis Blanc
Henri Desmolin
Michel Morre
Lucette Sindely
Assignee (at issue)
Sanofi
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.