Granted Patent
Utility
US 5,352,795 · App. 07/882,188
Alpha-heterocycle substituted tolunitriles
Inventors:
Robert M. Bowman, Leslie J. Browne
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: May 11, 1992
Inventors
Robert M. Bowman
Leslie J. Browne
Assignee (at issue)
Ciba-Geigy
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.