August 27, 2013 – FOR IMMEDIATE RELEASE
PERKINS LAW FIRM CLIENT PORVAIR ANNOUNCES PATENT
ON CORROSION RESISTANT FILTER
PERKINS is pleased to announce the recent issuance of a patent on a Corrosion Resistant Ceramic Foam Filter technology to Hendersonville-based client Selee Corporation, a subsidiary of British parent Porvair PLC.
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United States Patent |
8,518,528 |
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Chi, et al. |
August 27, 2013 |
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Porvair PLC Corporation |
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Low expansion corrosion resistant ceramic foam filters for molten aluminum filtration
Abstract
A ceramic foam filter for molten aluminum alloys comprising an alumina silicate rich core and a boron glass shell and a chemical composition comprising: 20-70 wt % Al2O3, 20-60 wt % SiO2, 0-10 wt % CaO, 0-10 wt %; MgO and 2-20 wt % B2O3.
Read more here.