Granted Patent
Utility
US 6,558,464 · App. 09/779,297
Very high solids TiO2 slurries
Inventors:
Robert J. Kostelnik, Fu-Chu Wen
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Feb 7, 2001
Inventors
Robert J. Kostelnik
Fu-Chu Wen
Assignee (at issue)
Millennium Inorganic Chemicals, 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.