Layered alumina-based abrasive grit abrasive products, and methods
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United States of America Patent
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Jul 24, 2001
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N/A
app pub date -
May 5, 2000
filing date -
Apr 22, 1998
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Abstract
Alumina-based abrasive material having at least an internal layer is provided. Preferably, the abrasive material results from co-extrusion of at least two different sols. In some preferred processing, steps to provide multiple internal layers are conducted.
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