Abrasive grain with an abrasive coating
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United States of America Patent
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Nov 2, 2004
Grant Date -
N/A
app pub date -
Aug 28, 2002
filing date -
Oct 25, 1999
priority date (Note) -
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Abstract
A flowable, granular abrasive material and method of manufacture thereof. The material is comprised of at least one abrasive grain selected from aluminum oxide, silicon carbide, cubic boron nitride and/or diamond and has a organic or inorganic coating comprised of a binder and an abrasive filling material in the amounts of 0.5 to 8% and 1 to 15% by weight, respectively. The filling material may include sulfides, phosphates, carbonates, halogenides, and/or sulfide-, carbonate- and/or halogenide-containing complex compounds. The binder may include a low-viscosity phenol resin, epoxy resin and/or polyurethane resin.
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