Granted Patent
Utility
US 6,790,902 · App. 09/950,346
Unfinished rutile titanium dioxide slurry for paints and paper coatings
Inventors:
William H. Morrison, Brian Sullivan
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Sep 11, 2001
Inventors
William H. Morrison
Brian Sullivan
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.