Granted Patent
Utility
US 6,811,721 · App. 10/448,692
Composition and method for reduction of persistent bio-accumulative and toxic pollutants in carbochlorination processes
Inventors:
Stephen William Taylor, James B. Dunson, Jr.
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: May 30, 2003
Inventors
Stephen William Taylor
James B. Dunson, Jr.
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.