Granted Patent
Utility
US 4,338,216 · App. 06/106,747
Stabilization of aqueous tertiary di-.beta.-hydroxy amine oxides
Inventors:
Gary W. Earl, Howard M. Hickman
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Dec 26, 1979
Inventors
Gary W. Earl
Howard M. Hickman
Assignee (at issue)
Sherex Chemical Co., Inc.
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.