Granted Patent
Utility
US 4,458,094 · App. 06/341,679
Process for forming nitroparaffin
Inventor:
Martin B. Sherwin
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Jan 22, 1982
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.