US PATENT SUBCLASS 502 / 227
.~.~ And Group IV metal (i.e., Ti, Zr, Hf, Ge, Sn or Pb)

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}
224  DF  .~ Halogen or compound containing same {6}
227.~.~ And Group IV metal (i.e., Ti, Zr, Hf, Ge, Sn or Pb)

DEFINITION

Classification: 502/227

Any Group IV metal (i.e., Ti, Zr, Hf, Ge, Sn or Pb):

(under subclass 224) Composition including a metal of group IV as listed in the beginning of the schedule, free or chemically combined.