Granted Patent
Utility
US 5,120,469 · App. 07/524,569
Amine oxide composition and process
Inventors:
Kim R. Smith, James E. Borland, Joe D. Sauer
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: May 17, 1990
Inventors
Kim R. Smith
James E. Borland
Joe D. Sauer
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.