US PATENT SUBCLASS 501 / 108
.~.~ Magnesium compound containing


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

1  DF  CERAMIC COMPOSITIONS {15}
94  DF  .~ Refractory {8}
108.~.~ Magnesium compound containing {7}
109  DF  .~.~.~> With organic material in starting mixture {1}
111  DF  .~.~.~> And phosphorus compound
112  DF  .~.~.~> And iron compound {2}
117  DF  .~.~.~> And chromium compound
118  DF  .~.~.~> And aluminum compound {1}
121  DF  .~.~.~> Less than 90 percent by weight magnesium compound
122  DF  .~.~.~> And silicon compound


DEFINITION

Classification: 501/108

Magnesium compound containing:

(under subclass 94) Subject matter comprising a compound of magnesium.