Granted Patent
Utility
US 4,879,392 · App. 07/111,982
Process for making perhydroindole-2-carbonxylic acid
Inventors:
Francis Brion, Jean Buendia, Christian Marie
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Oct 21, 1987
Inventors
Francis Brion
Jean Buendia
Christian Marie
Assignee (at issue)
Roussel Uclaf
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.