Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Reexamination Certificate
2007-12-17
2009-12-08
Kopec, Mark (Department: 1796)
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
C264S105000
Reexamination Certificate
active
07628937
ABSTRACT:
The present invention relates to processes for making anodes suitable for use in the production of titanium metals. The processes use a kneaded mixture of TiO2particles, carbon particles, a binder, and a solvent. The mixture is extruded and the solvent is allowed to evaporate to form a green body which is subsequently fired. During firing of the green body, the carbon particles aid in reducing the titanium dioxide to a lower oxide or oxycarbide which can be electrochemically processed into titanium metal.
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patent: 5538681 (1996-07-01), Wu
patent: 5676807 (1997-10-01), de Nora et al.
patent: 2008/0048154 (2008-02-01), Amirzadeh-Asl et al.
patent: 1712571 (2005-12-01), None
McCarron Eugene Michael
Redder Dennis A.
VerNooy Paul Douglas
E.I. du Pont de Nemours and Company
Kopec Mark
Tanzer Gail D.
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