Granted Patent
Utility
US 6,566,413 · App. 09/868,525
Polymerisable materials which are based on hardenable siloxane compounds
Inventors:
Wolfgang Weinmann, Joachim W. Zech, Oswald Gasser, Rainer Guggenberger, Gunther Eckhardt, Peter Bissinger, Wolfgang Soglowek
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Sep 19, 2001
Inventors
Wolfgang Weinmann
Joachim W. Zech
Oswald Gasser
Rainer Guggenberger
Gunther Eckhardt
Peter Bissinger
Wolfgang Soglowek
Assignee (at issue)
3M ESPE 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.