Granted Patent
Utility
US 5,120,701 · App. 07/676,176
Titanium dioxide compacts, method of their production and a catalyst coated on a carrier of titanium dioxide
Inventors:
Reinhold Brand, Bernd Engler, Martin Foerster, Werner Hartmann, Peter Kleinschmit, Edgar Koberstein, Johannes Ohmer, Rudolf Schwarz
Patented Case
View Patent ↗
Granted: Jun 9, 1992
Filed: Mar 28, 1991
Inventors
Reinhold Brand
Bernd Engler
Martin Foerster
Werner Hartmann
Peter Kleinschmit
Edgar Koberstein
Johannes Ohmer
Rudolf Schwarz
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.