US PATENT SUBCLASS 502 / 427
.~.~.~.~ Alkali metal, alkaline earth metal, or magnesium containing

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}
416  DF  .~ Free carbon containing {3}
418  DF  .~.~ Process utilizing solid or liquid source carbonizable material, or product thereof {9}
423  DF  .~.~.~ Adding nongaseous inorganic, or inorganic yielding component, prior to or during process {4}
427.~.~.~.~ Alkali metal, alkaline earth metal, or magnesium containing

DEFINITION

Classification: 502/427

Alkali metal, alkaline earth metal or magnesium containing:

(under subclass 423) Subject matter including element number 12, an alkali or alkaline earth metal, as set out in the list at the beginning of the schedule, free or in the combined state.