Granted Patent
Utility
US 6,242,631 · App. 09/354,694
Triaryl phosphate ester composition
Inventors:
Richard Hombek, Theodore A. Marolewski, Mark Buczek
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: Jul 16, 1999
Inventors
Richard Hombek
Theodore A. Marolewski
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.