Granted Patent
Utility
US 5,869,554 · App. 08/922,058
Polycarbonate compositions comprising hindered amine light stabilizers and ultraviolet light absorbers
Inventors:
James Edward Pickett, Randall Lee Carter
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Sep 2, 1997
Inventors
James Edward Pickett
Randall Lee Carter
Assignee (at issue)
General Electric 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.