Granted Patent
Utility
US 5,670,121 · App. 08/435,686
Process for controlling the temperature of a fluidized bed reactor in the manufacture of titanium tetrachloride
Inventor:
Thomas Shields Elkins
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: May 5, 1995
Inventor
Thomas Shields Elkins
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.