Graphite material, carbon material for battery electrode,...

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

Reexamination Certificate

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C423S414000, C252S502000, C264S029100

Reexamination Certificate

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08080228

ABSTRACT:
A graphite material is provided wherein D50% is 2 to 9 μm in particle diameter distribution based on volume as measured by laser diffraction, a specific surface area is 2 to 6 m2/g and no coating layer is substantially included in a surface of the particle. Also provided is a graphite material comprising substantially single-composition particles having an isotropic crystal structure, wherein D50% is 2 to 9 μm in particle diameter distribution based on volume as measured by laser diffraction, and a specific surface area is 2 to 6 m2/g.

REFERENCES:
patent: 6489026 (2002-12-01), Nishimura et al.
patent: 6632569 (2003-10-01), Kameda et al.
patent: 6946110 (2005-09-01), Nishimura et al.
patent: 6989137 (2006-01-01), Nishimura et al.
patent: 2006/0188717 (2006-08-01), Kambara
patent: 2001-0023638 (2001-01-01), None
patent: 2004-003097 (2004-01-01), None
patent: 2004-319186 (2004-11-01), None
patent: 2005-008436 (2005-01-01), None
patent: 2005-008436 (2005-01-01), None
patent: 2005-232667 (2005-09-01), None
Translation of JP2005-008436.

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