US PATENT SUBCLASS 502 / 263
.~.~.~ Of Group III or lanthanide group (i.e., Sc, Y, Al, Ga, In, Tl, or atomic number 57 to 71 inclusive)

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}
263.~.~.~ Of Group III or lanthanide group (i.e., Sc, Y, Al, Ga, In, Tl, or atomic number 57 to 71 inclusive)

DEFINITION

Classification: 502/263

Of Group III or lanthanide group (i.e., Sc, Y, Al, Ga, In, Te, or atomic number 57 to 71 inclusive):

(under subclass 240) Composition including a group III or lanthanide metal, free or combined with oxygen or hydrogen and oxygen.

SEE OR SEARCH THIS CLASS, SUBCLASS:

235, mixture of silica gel and group III or rare earth metal oxide produced by coprecipitation process.