Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2003-03-31
2008-11-18
Zimmerman, John J. (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S116000, C428S317700, C428S317900, C428S446000, C423S345000, C423S430000, C423S439000, C501S080000, C501S088000, C055S523000
Reexamination Certificate
active
07452591
ABSTRACT:
A silicon carbide-based porous material characterized by comprising silicon carbide particles as an aggregate, metallic silicon and an oxide phase containing Si, Al and an alkaline earth metal; it is high in porosity and strength and superior in oxidation resistance and thermal shock resistance and, when used as a filter, is very low in risk of having defects such as cuts (which cause leakage of fluid) and the like, as well as in pressure loss.
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Furukawa Masahiro
Kawasaki Shinji
Morimoto Kenji
Tabuchi Yuuichirou
Austin Aaron
Burr & Brown
NGK Insulators Ltd.
Zimmerman John J.
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