Granted Patent
Utility
US 5,672,702 · App. 08/566,979
Process for preparing 3 amino 1, 2, 4-benzotriazine dioxide
Inventor:
Richard E. Philion
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Dec 4, 1995
Inventor
Richard E. Philion
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.