Granted Patent
Utility
US 5,559,233 · App. 08/269,101
Methods for preparing n-substituted heterocyclic derivatives
Inventors:
Claude Bernhart, Jean-Claude Breliere, Jacques Clement, Dino Nisato, Pierre Perreault, Claude Muneaux, Yvette Muneaux
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 30, 1994
Inventors
Claude Bernhart
Jean-Claude Breliere
Jacques Clement
Dino Nisato
Pierre Perreault
Claude Muneaux
Yvette Muneaux
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.