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Gas impermeable glaze for sealing a porous ceramic surface

United States Patent

April 6, 2004
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A process for fabricating a gas impermeable seal on a porous ceramic surface using a thin, glass-based, pinhole free glaze. The process can be used to fabricate gas impermeable end seals on porous alumina tubes used as filter media. The porous alumina tubes can have an inorganic microporous thin film separation membrane on the inner surface, which can be used for high temperature gas separation processes.
Reed; Scott T. (Albuquerque, NM), Stone; Ronald G. (Albuquerque, NM), Nenoff; Tina M. (Albuquerque, NM), Trudell; Daniel E. (Albuquerque, NM), Thoma; Steven G. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
10/ 014,995
December 11, 2001
FEDERALLY SPONSORED RESEARCH The United States Government has rights in this invention pursuant to Department of Energy Contract No. DE-AC04-94AL85000 with Sandia Corporation.