Granted Patent
Utility
US 6,054,608 · App. 09/071,265
Method for preparing formylphosphonic acid
Inventor:
Thaddeus S. Franczyk, II
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: May 1, 1998
Inventor
Thaddeus S. Franczyk, II
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.