Granted Patent
Utility
US 5,545,749 · App. 08/318,377
Quaternary ammonium compounds with high flash points and method of making the same
Inventors:
Kim R. Smith, Frederick M. Boyd, Samih S. Abouhalkah
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Oct 5, 1994
Inventors
Kim R. Smith
Frederick M. Boyd
Samih S. Abouhalkah
Assignee (at issue)
Huntington Laboratories, 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.