Gas separation – Specific media material – Ceramic or sintered
Reexamination Certificate
2006-12-06
2010-02-09
Griffin, Walter D (Department: 1797)
Gas separation
Specific media material
Ceramic or sintered
C055S522000, C055S524000, C422S172000, C422S173000, C422S174000, C422S175000, C422S176000, C422S177000, C422S178000, C422S179000, C422S180000
Reexamination Certificate
active
07658779
ABSTRACT:
The invention relates to a honeycomb monolithic element for the filtration of particles, characterized in that the peripheral channels forming part of the outer wall of said element are configured to help in the formation of an outer wall whose inner face is substantially flat over the whole length of the element and in that said flat wall also has an increased thickness at the corners, so that, on a cross section, the ratio R of the thickness Ecof the wall, measured along the bisecting line of the angle at a corner of the element, over the minimal thickness Eminof said wall is greater than 1.5.
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Carranza Francisco Jose
Leighton Andrew K.
Woolley David E.
Griffin Walter D
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Orlando Amber
SAINT-GOBAIN Centre de Recherches et d'Etudes European
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