Granted Patent
Utility
US 5,863,861 · App. 08/747,484
Stable aqueous fertilizer composition concentrate comprising potassium
Inventor:
Mark Einziger
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Nov 12, 1996
Inventor
Mark Einziger
Assignee (at issue)
Rhodia, 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.