Granted Patent
Utility
US 4,770,865 · App. 07/030,091
Methods for the preparation of moisturized compositions of hydrate-forming polyphosphate
Inventor:
Louis A. Highfill
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Mar 31, 1987
Inventor
Louis A. Highfill
Assignee (at issue)
Monsanto Company
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.