Gas separation – Two or more separators – Plies or layers of different characteristics or orientation
Patent
1989-09-08
1990-12-11
Woo, Jay H.
Gas separation
Two or more separators
Plies or layers of different characteristics or orientation
55523, 55DIG30, B01D 5000
Patent
active
049767607
ABSTRACT:
A filtering element for use in trapping particulates from a diesel exhaust gas, made up of a porous refractory ceramic body of predominant open-cell porosity prepared by firing an aluminosilicate hydrogel-bonded porous ceramic composition, and preferably further containing on the filter inlet and/or outlet surface thereof an integral thin porous ceramic membrane layer having pores whose average diameter is less than that of the pores in the body and at the other surfaces.
REFERENCES:
patent: 3502596 (1970-03-01), Sowards
patent: 4390355 (1983-06-01), Hammond, Jr. et al.
patent: 4436538 (1984-03-01), Tomita et al.
patent: 4451441 (1984-05-01), Ernest et al.
patent: 4456457 (1984-06-01), Nozawa et al.
patent: 4629483 (1986-12-01), Stanton
patent: 4652286 (1987-03-01), Kusuda et al.
patent: 4732593 (1988-03-01), Kondo et al.
patent: 4746341 (1988-05-01), Komoda
patent: 4759918 (1988-07-01), Homeier et al.
patent: 4812424 (1989-03-01), Helferich et al.
patent: 4846906 (1989-07-01), Helferich et al.
patent: 4871495 (1989-10-01), Helferich et al.
Helferich Richard L.
Schenck Robert C.
Bushey C. Scott
Cercona, Inc.
Woo Jay H.
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