US PATENT SUBCLASS 502 / 179
.~.~.~.~ Group VA (N, P, As, Sb, Bi) containing

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  DF  .~.~ Carbide {1}
178  DF  .~.~.~ Silicon carbide {1}
179.~.~.~.~ Group VA (N, P, As, Sb, Bi) containing

DEFINITION

Classification: 502/179

Group Va (N, P, As, Sb, Bi) containing:

(under subclass 178) Composition including one of elements number 7, 15, 33, 51, or 83.