Granted Patent
Utility
US 6,440,383 · App. 09/503,365
Processing aqueous titanium chloride solutions to ultrafine titanium dioxide
Inventors:
Willem P. C. Duyvesteyn, Timothy Spitler, Bruce J. Sabacky, Jan Prochazka
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Feb 14, 2000
Inventors
Willem P. C. Duyvesteyn
Timothy Spitler
Bruce J. Sabacky
Jan Prochazka
Assignee (at issue)
Altair Nanomaterials, Inc.
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.