Surface protection of porous ceramic bodies
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United States of America Patent
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Jul 19, 2005
Grant Date -
Feb 13, 2003
app pub date -
Aug 10, 2001
filing date -
Aug 10, 2001
priority date (Note) -
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Abstract
A porous ceramic body protected by a damage resistant hardened surface, and a method for preparing the surface hardened ceramic body. The ceramic body is protected by applying to the surface a slurry composition containing a binding agent, particles of a ceramic material, at least one boron containing compound, and a solvent. The inclusion of at least one boron containing compound in the slurry provides for hardened surfaces that are stable to higher temperatures as compared to those of the prior art.
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