Carbon foam abrasives
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United States of America Patent
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Nov 18, 2008
Grant Date -
Sep 16, 2004
app pub date -
Mar 29, 2004
filing date -
Oct 12, 2001
priority date (Note) -
Expired
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Abstract
The incorporation or blending of from about 1 to about 10% by volume of a 'carbide precursor' powder, preferably on the order of <100 microns in size, with a coal particulate starting material and the subsequent production of carbon foam in accordance with the method described herein, results in a carbon foam that exhibits significantly enhanced abrasive characteristics typical of those required in the polishing of, for example glass, in the manufacture of cathode ray tubes.
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