Substantially pure bulk pyrocarbon and methods of preparation
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United States of America Patent
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May 10, 2005
Grant Date -
Mar 28, 2002
app pub date -
Aug 28, 2001
filing date -
Aug 29, 2000
priority date (Note) -
Expired
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Abstract
The present invention provides a substantially pure and finely divided granular pyrolytic carbon material. The substantially pure pyrolytic carbon can be used in a variety of applications including filtration and battery electrode applications. The present invention further describes a process for producing a substantially pure pyrolytic carbon material that includes heating a mixture of refractory inorganic particles with hydrocarbon gas for an amount of time sufficient to deposit a substantially uniform layer of pyrolytic carbon on the surfaces of the particles.
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