CERAMIC MASS Russian patent published in 2011 - IPC C04B33/132 

FIELD: construction.

SUBSTANCE: ceramic mass, containing clay, ground brick rejects after drying, differs by the fact that it additionally contains carboxymethylcellulose, sodium tripolyphosphate, liquid potash glass, at the following ratio of components, wt %: clay - 98.6-99.55; ground brick rejects after drying - 0.1 -1.0; carboxymethylcellulose - 0.1-0.15; sodium tripolyphosphate - 0.1-0.15; liquid potash glass - 0.1-0.15.

EFFECT: reduced warping of faces and ribs, through cracks at stretcher faces of bricks.

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