Granted Patent
Utility
US 6,720,313 · App. 09/688,693
Biocidal composition containing phosphite ions
Inventor:
Nigel Paul Maynard
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Oct 17, 2000
Inventor
Nigel Paul Maynard
Assignee (at issue)
Mattersmiths Holdings Limited
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.