US PATENT SUBCLASS 502 / 249
.~.~.~.~ Of antimony or bismuth

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}
232  DF  .~ Silicon containing or process of making {2}
240  DF  .~.~ With metal, metal oxide, or metal hydroxide {8}
246  DF  .~.~.~ Of Group V (i.e., V, Nb, Ta, As, Sb or Bi) {2}
249.~.~.~.~ Of antimony or bismuth

DEFINITION

Classification: 502/249

Of antimony or bismuth:

(under subclass 246) Composition in which the metal or compound thereof is antimony or bismuth.