Granted Patent
Utility
US 6,639,005 · App. 09/958,871
Thermoplastic molding compounds, provided with an antistatic agent which exhibit improved color stability during processing
Inventors:
Bernd Willenberg, Herbert Eichenauer, Heinrich Alberts
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Oct 12, 2001
Inventors
Bernd Willenberg
Herbert Eichenauer
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.