Granted Patent
Utility
US 6,717,005 · App. 10/144,568
Epoxy-stabilized polyphosphate compositions
Inventors:
Eric W. Burkhardt, Danielle A. Bright, Sergei V. Levchik, Sophia Dashevsky, Mark Buczek
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: May 13, 2002
Inventors
Eric W. Burkhardt
Danielle A. Bright
Sergei V. Levchik
Sophia Dashevsky
Mark Buczek
Assignee (at issue)
AKZO NOBEL N.V.
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.