PROTECTIVE INTERNAL COATINGS FOR POROUS SUBSTRATES
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United States of America Patent
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app pub date -
Sep 10, 2012
filing date -
Mar 2, 2011
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Abandoned
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Abstract
A material contains open pores in which the channels and pores that are internally coated with at least one layer of phosphorus-containing alumina. Such material is formed by infiltrating a porous material one or more times with a non-colloidal, low-viscosity liquid coating precursor, drying, and curing the coating precursor to form a phosphorus-containing alumina layer within pores of the material.
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