US PATENT SUBCLASS 502 / 242
.~.~.~ Of Group IV (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}
232  DF  .~ Silicon containing or process of making {2}
240  DF  .~.~ With metal, metal oxide, or metal hydroxide {8}
242.~.~.~ Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb)

DEFINITION

Classification: 502/242

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

(under subclass 240) Composition including a group IV metal, metal oxide or hydroxide.

SEE OR SEARCH THIS CLASS, SUBCLASS:

236, for a mixtures of silica gel and a group IV metal oxide produced by coprecipitation process.

239, for mixtures of silica gel and a group IV metal, metal oxide or hydroxide added after formation of the silica gel.