Granted Patent
Utility
US 5,576,459 · App. 08/471,843
Quaternary nitrogen or phosphorus chirates
Inventor:
Morey E. Osborn
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Jun 6, 1995
Inventor
Morey E. Osborn
Assignee (at issue)
SACHEM, 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.