US PATENT SUBCLASS 501 / 101
.~.~.~ And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.)

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

1  DF  CERAMIC COMPOSITIONS {15}
94  DF  .~ Refractory {8}
99  DF  .~.~ Elemental carbon containing {2}
101.~.~.~ And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.)

DEFINITION

Classification: 501/101

And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.):

(under subclass 99) Subject matter wherein the refractory composition additionally includes a compound of an alkaline earth metal or of magnesium.

(1) Note. The alkaline earth metal compound may be, e.g.,

dolomite (CaMg(CO3)2[end subscrpt]) or lime (CaO) and the magnesium compound may be, e.g., magnesia (MgO).