Granted Patent
Utility
US 5,650,002 · App. 08/558,116
TiO.sub.2 light scattering efficiency when incorporated in coatings
Inventor:
John Davis Bolt
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Nov 13, 1995
Inventor
John Davis Bolt
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.