Granted Patent
Utility
US 5,558,772 · App. 08/397,963
Stable nitrite solutions
Inventors:
Samuel L. Bean, Walter H. Bortle, Jr.
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Mar 3, 1995
Inventors
Samuel L. Bean
Walter H. Bortle, Jr.
Assignee (at issue)
General Chemical Company
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.