Granted Patent
Utility
US 6,373,685 · App. 09/533,430
Methods to partially reduce a niobium metal oxide and oxygen reduced niobium oxides
Inventors:
Jonathon L. Kimmel, Ricky W. Kitchell, James A. Fife
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Mar 23, 2000
Inventors
Jonathon L. Kimmel
Ricky W. Kitchell
James A. Fife
Assignee (at issue)
Cabot Corporation
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.