US PATENT SUBCLASS 502 / 252
.~.~.~.~.~ And Group VIII metal containing (i.e., iron or platinum group)

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}
250  DF  .~.~.~ Of Group II (i.e., alkaline earth, Be, Mg, Zn, Cd or Hg) {2}
251  DF  .~.~.~.~ Magnesium {1}
252.~.~.~.~.~ And Group VIII metal containing (i.e., iron or platinum group)

DEFINITION

Classification: 502/252

And Group VIII metal containing (i.e., iron or platinum

group):

(under subclass 251) Composition which also includes a group VIII metal, metal oxide or hydroxide.