Granted Patent
Utility
US 6,028,026 · App. 09/136,805
Cubic chromium trifluoride and its use for halogenated hydrocarbon processing
Inventors:
V. N. Mallikarjuna Rao, Munirpallam A. Subramanian
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Aug 20, 1998
Inventors
V. N. Mallikarjuna Rao
Munirpallam A. Subramanian
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.