Granted Patent
Utility
US 4,476,336 · App. 06/510,859
Process for forming nitroparaffin
Inventor:
Martin B. Sherwin
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Jul 5, 1983
Inventor
Martin B. Sherwin
Assignee (at issue)
W. R. Grace & Co.
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.