Granted Patent
Utility
US 5,101,028 · App. 07/565,098
(1,2,4)triazolo[2,3-a]pyridines
Inventors:
Ernst Schefczik, Helmut Reichelt
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Aug 10, 1990
Inventors
Ernst Schefczik
Helmut Reichelt
Assignee (at issue)
BASF SE
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.