US PATENT SUBCLASS 502 / 411
.~.~ Having extraneously added alkali metal, or alkaline earth metal

Current as of: June, 1999
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502 /   HD   CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING

400  DF  SOLID SORBENT {6}
407  DF  .~ Silicon containing {6}
411.~.~ Having extraneously added alkali metal, or alkaline earth metal

DEFINITION

Classification: 502/411

Having extraneously added alkali metal or alkaline earth metal:

(under subclass 407) Composition to which an alkali or alkaline earth metal as listed in the schedule has been added.

SEE OR SEARCH THIS CLASS, SUBCLASS:

410, for a magnesium silicate sorbent composition.