Granted Patent
Utility
US 6,806,319 · App. 09/924,252
Retarding the thermal degradation of polymers using unsaturated aliphatic compounds
Inventors:
Abuzar Syed, Lester P. J. Burton
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Aug 8, 2001
Inventors
Abuzar Syed
Lester P. J. Burton
Assignee (at issue)
Basell Poliolefine Italia S.r.l.
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.