US PATENT SUBCLASS 502 / 261
.~.~.~.~ Platinum group (i.e., Ru, Rh, Pd, Os, Ir or Pt)

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}
258  DF  .~.~.~ Of Group VIII (i.e., iron or platinum group) {3}
261.~.~.~.~ Platinum group (i.e., Ru, Rh, Pd, Os, Ir or Pt) {1}
262  DF  .~.~.~.~.~> Platinum or palladium

DEFINITION

Classification: 502/261

Platinum Group (i.e., Ru, Rh, Pd, Os, Ir or Pt):

(under subclass 258) Composition which contains a platinum group metal, metal oxide or hydroxide.