Granted Patent
Utility
US 4,721,790 · App. 06/671,101
Nucleophilic substitution process for fluoronitroaralkyloxazoline
Inventor:
Kenneth C. Lilje
Patented Case
View Patent ↗
Granted: Jan 26, 1988
Filed: Nov 13, 1984
Inventor
Kenneth C. Lilje
Assignee (at issue)
Ethyl 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.