Porvairís New Patent for Corrosion Resistant Filter

August 27, 2013 Ė 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.  

United States Patent

8,518,528

Chi,  et al.

August 27, 2013

Porvair PLC Corporation
Selee Corporation

 


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.