Granted Patent
Utility
US 6,686,404 · App. 09/582,955
Flame-resistant polycarbonate ABS moulding compounds
Inventors:
Thomas Eckel, Michael Zobel, Dieter Wittmann, Nikolaus Janke
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jul 7, 2000
Inventors
Thomas Eckel
Michael Zobel
Dieter Wittmann
Nikolaus Janke
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.