Granted Patent
Utility
US 5,484,869 · App. 08/427,719
Formed organosiloxane amine copolycondensates, method of their preparation and use
Inventors:
Peter Panster, Stefan Wieland
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Apr 21, 1995
Inventors
Peter Panster
Stefan Wieland
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.