Granted Patent
Utility
US 5,663,398 · App. 08/711,878
Processes for preparing functionalized alkyllithium compounds
Inventors:
James A. Schwindeman, Eric John Granger, Douglas E. Sutton
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Sep 12, 1996
Inventors
James A. Schwindeman
Eric John Granger
Douglas E. Sutton
Assignee (at issue)
FMC CORPORATION
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.