Granted Patent
Utility
US 5,352,791 · App. 08/121,580
Hydrating or oxidizing process using a metal-containing, shaped organosiloxane amine copolycondensate catalyst
Inventors:
Peter Panster, Stefan Wieland
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Sep 16, 1993
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.