Granted Patent
Utility
US 4,370,278 · App. 06/317,321
Nucleophilic substitution process
Inventors:
Barbara C. Stahly, G. Patrick Stahly
Patented Case
View Patent ↗
Granted: Jan 25, 1983
Filed: Nov 2, 1981
Inventors
Barbara C. Stahly
G. Patrick Stahly
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.