Porous inorganic materials

Details Porous inorganic materials Porous inorganic materials

1988-09-23

1990-06-26

Lieberman, Allan M.

Compositions: ceramic

Ceramic compositions

Pore-forming

435176, 43524023, 501 68, 523218, 523219, C04B 3804, C12N 1114, C12N 500

Patent

active

049372092

ABSTRACT:
There is provided a porous cellular material comprising a plurality of cavities each defined by a substantially spherical wall formed of a rigid intermeshing matrix of ceramic needles said wall being pierced by at least one aperture to provide access to the cavity, and the or each aperture having a diameter such that the ratio of the diameter of the aperture to the diameter of the cavity into which the aperture opens is in the range of from 0.1:1 to 1:1.

REFERENCES:
patent: 2556122 (1951-01-01), Bertorelli et al.
patent: 2939764 (1960-06-01), Schoenfelder et al.
patent: 4389385 (1983-06-01), Ramsay
patent: 4826789 (1989-05-01), Jones et al.

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