Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2007-06-19
2007-06-19
Cooke, Colleen P. (Department: 1754)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C264S623000
Reexamination Certificate
active
10754883
ABSTRACT:
Solid, shaped and fired fibers of Ti4O7and Ti5O9are made by firing TiO2fibers in a reducing atmosphere. In a first aspect, the TiO2fibers are made by extruding into air a viscous TiO2gel and heat treating the resulting green fibers to remove solvent, decompose and to volatilize undesired constituents to form electrically conductive, refractory fibers of Ti4O7and Ti5O9. In a second aspect, solid, shaped and fired fibers of Ti4O7and Ti5O9are made by firing extruded fibers from mixtures of TiO2.
REFERENCES:
patent: 4166147 (1979-08-01), Lange et al.
patent: 5733489 (1998-03-01), Hill
patent: 6395080 (2002-05-01), Cass et al.
Adair James H.
Anderson Julie M.
Shelleman David L.
Tressler Richard E.
Advanced Power Devices, Inc.
Cooke Colleen P.
Law Offices of John A. Parrish
Wartalowicz Paul
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