Granted Patent
Utility
US 6,737,465 · App. 10/168,422
Flame-resistant polycarbonate molding compositions containing high-purity talc
Inventors:
Andreas Seidel, Thomas Eckel, Michael Zobel, Torsten Derr, Dieter Wittmann
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Jun 21, 2002
Inventors
Andreas Seidel
Thomas Eckel
Michael Zobel
Torsten Derr
Dieter Wittmann
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.