US PATENT SUBCLASS 428 / 312.2
.~.~ Inorganic matrix in void-containing component

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

221  DF  WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT {9}
304.4  DF  .~ Composite having voids in a component (e.g., porous, cellular, etc.) {14}
312.2.~.~ Inorganic matrix in void-containing component {3}
312.4  DF  .~.~.~> Of hydraulic-setting material
312.6  DF  .~.~.~> Of silicon-containing material (e.g., glass, etc.)
312.8  DF  .~.~.~> Of metal-containing material

DEFINITION

Classification: 428/312.2

Inorganic matrix in void-containing component:

(under subclass 304.4) Subject matter in which the void-containing component has a continuous phase of material, e.g, porous cermic, etc., which is free from carbon atoms or contains carbon atoms only as elemental carbon, as a carbide, carbonate, cyanide or cyanate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

317.9, for a composite wherein the void-containing component contains an organic matrix with inorganic fibers or particles distributed discontinuously therein.