Granted Patent
Utility
US 5,606,106 · App. 08/508,501
Hexamethlene phosphonate concentrate
Inventor:
Michel A. O. Ledent
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Jul 28, 1995
Inventor
Michel A. O. Ledent
Assignee (at issue)
Monsanto Europe S.A.
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.