Granted Patent
Utility
US 6,562,990 · App. 10/189,076
Titanium chelates and processes therefor
Inventors:
Jerry Dale St. Clair, Norman A. Carlson
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jul 3, 2002
Inventors
Jerry Dale St. Clair
Norman A. Carlson
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.