Method for Selectively Producing Ordered Carbon Nanotubes
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
Jun 21, 2005
filing date -
Jun 23, 2004
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for selectively producing nanotubes made of carbon ordered by decomposing a gaseous carbon source in contact with at least one solid catalyst in the form of catalyst grains which are made of an alumina porous support provided with a metallic ferrous non-oxidised deposit and whose mean grain-size ranges from 25 .mu.m to 2.5 mm and on which said metallic ferrous deposit covers more than 75% of the surface of the microscopic alumina support and is embodied in the form of at least one cluster formed by a plurality of metallic agglutinated bulbs.
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