Granted Patent
Utility
US 6,498,271 · App. 10/041,996
Tricarboxylic acids, method, and branched polycarbonates prepared therefrom
Inventors:
David Paul Mobley, Mohan Amaratunga, John Henry Lobos
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Jan 10, 2002
Inventors
David Paul Mobley
Mohan Amaratunga
John Henry Lobos
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.