Granted Patent
Utility
US 5,207,951 · App. 07/750,191
Amine oxide surfactant compositions
Inventors:
Joe D. Sauer, Kim R. Smith, James E. Borland, Terry Crutcher
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Aug 27, 1991
Inventors
Joe D. Sauer
Kim R. Smith
James E. Borland
Terry Crutcher
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.