US PATENT SUBCLASS 502 / 177
.~.~ Carbide

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

100  DF  CATALYST OR PRECURSOR THEREFOR {12}
174  DF  .~ Inorganic carbon containing {4}
177.~.~ Carbide {1}
178  DF  .~.~.~> Silicon carbide {1}

DEFINITION

Classification: 502/177

Carbide:

(under subclass 174) Composition including binary compound of carbon and a metal or metalloid.