US PATENT SUBCLASS 501 / 124
.~.~.~ Hydraulic cement containing

Current as of: June, 1999
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501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
94  DF  .~ Refractory {8}
123  DF  .~.~ Alkaline earth metal compound containing {2}
124.~.~.~ Hydraulic cement containing

DEFINITION

Classification: 501/124

Hydraulic cement containing:

(under subclass 123) Subject matter including a hydraulic cement.

(1) Note. The hydraulic cement may be, e.g., of the Portland cement or calcium aluminate cement type.