Porous bodies

Details Porous bodies Porous bodies

1977-06-13

1979-03-06

Smith, Ronald H.

Coating processes

Heat decomposition of applied coating or base material

427343, 427344, 427377, 427380, 427399, 427419B, 427419C, 427419E, B05D 302

Patent

active

041431820

ABSTRACT:
The open pores of a porous silicon nitride body are partly or wholly filled with and adherent, refractory filler comprising cordierite or a borosilicate glass, thereby to reduce the gas-permeability of the body. A body, so treated, may, for example, have application as a recuperator.

REFERENCES:
patent: 2490260 (1951-01-01), Ehrhardt
patent: 2578956 (1951-12-01), Weinrich
patent: 3078186 (1963-02-01), Tierney
patent: 3232782 (1966-02-01), Shannon
patent: 3460971 (1969-08-01), Bonis et al.
patent: 3535154 (1970-10-01), Meyer-Simon
patent: 3539379 (1970-11-01), Mayer
patent: 3754944 (1973-08-01), Hardy
patent: 3811928 (1974-05-01), Henney et al.
patent: 3849181 (1974-11-01), Green
patent: 3983198 (1976-09-01), Mangels
patent: 4021590 (1977-05-01), Vangbo

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