US PATENT SUBCLASS 423 / 230
.~.~ Utilizing solid sorbent, catalyst, or reactant

Current as of: June, 1999
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423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

210  DF  MODIFYING OR REMOVING COMPONENT OF NORMALLY GASEOUS MIXTURE {11}
220  DF  .~ Carbon dioxide or hydrogen sulfide component {9}
230.~.~ Utilizing solid sorbent, catalyst, or reactant {1}
231  DF  .~.~.~> Iron oxide or hydroxide

DEFINITION

Classification: 423/230

(under subclass 220) Processes in which the treating material is in the solid-state and functions to (1) modify a component, (2) attract and retain the component, or (3) react with and chemically change the constituent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

223, for a process in which the reactant contains arsenic, phosphorus or boron and may be in the solid-state.

225, for a process in which the solid sorbent, reactant or catalyst is used in the form of a suspension in a liquid in the process.