US PATENT SUBCLASS 501 / 125
.~.~.~ And aluminum compound

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}
125.~.~.~ And aluminum compound

DEFINITION

Classification: 501/125

And aluminum compound:

(under subclass 123) Subject matter further comprising a compound of aluminum.

(1) Note. The aluminum compound may be, e.g., aluminum chloride.