Granted Patent
Utility
US 4,749,713 · App. 06/837,489
Alpha-heterocycle substituted tolunitriles
Inventors:
Robert M. Bowman, Ronald E. Steele, Leslie J. Browne
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Mar 7, 1986
Inventors
Robert M. Bowman
Ronald E. Steele
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.