Granted Patent
Utility
US 5,708,113 · App. 08/765,458
Catalyst for the preparation and processing of polyorganosiloxanes
Inventors:
Gunter Beuschel, Holger Rautschek, Gisela Liesch
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Jan 23, 1997
Inventors
Gunter Beuschel
Holger Rautschek
Gisela Liesch
Assignee (at issue)
Huels Silicone 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.