Granted Patent
Utility
US 5,130,396 · App. 07/629,161
Formed, polymeric organosiloxane ammonium compounds, method of their preparation and use
Inventors:
Peter Panster, Peter Kleinschmit
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Dec 19, 1990
Inventors
Peter Panster
Peter Kleinschmit
Assignee (at issue)
Degussa AG
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.