Granted Patent
Utility
US 6,444,735 · App. 09/485,100
Flame-resistant polycarbonate ABS molding materials
Inventors:
Thomas Eckel, Dieter Wittmann, Bernd Keller, Heinrich Alberts
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Feb 4, 2000
Inventors
Thomas Eckel
Dieter Wittmann
Bernd Keller
Heinrich Alberts
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.