Granted Patent
Utility
US 6,713,544 · App. 10/006,517
Flame-resistant and heat-resistant polycarbonate compositions
Inventors:
Thomas Eckel, Andreas Seidel, Dieter Wittmann, Uwe Peucker
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Dec 3, 2001
Inventors
Thomas Eckel
Andreas Seidel
Dieter Wittmann
Uwe Peucker
Assignee (at issue)
Bayer Aktiengesellschaft
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.