Granted Patent
Utility
US 6,310,128 · App. 08/668,890
Halogen-containing polymers provided with an antistatic agent
Inventors:
Bruno Hilti, Ernst Minder, Jurgen Pfeiffer, Rolf Drewes
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Jun 24, 1996
Inventors
Bruno Hilti
Ernst Minder
Jurgen Pfeiffer
Rolf Drewes
Assignee (at issue)
Witco Vinyl Additives GmbH
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.