Granted Patent
Utility
US 6,569,928 · App. 09/913,928
Phosphorus-containing fire retardant thermoplastic polyester composition
Inventors:
Sergei V. Levchik, Danielle A. Bright, Gerald R. Alessio
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jan 4, 2002
Inventors
Sergei V. Levchik
Danielle A. Bright
Gerald R. Alessio
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.