US PATENT SUBCLASS 502 / 52
.~.~.~ With control of oxygen content in oxidation gas

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

20  DF  REGENERATING OR REHABILITATING CATALYST OR SORBENT {4}
34  DF  .~ Gas or vapor treating {5}
38  DF  .~.~ Treating with free oxygen containing gas {8}
52.~.~.~ With control of oxygen content in oxidation gas

DEFINITION

Classification: 502/52

With control of oxygen content in oxidation gas:

(under subclass 38) Process in which the concentration of oxygen is maintained at or adjusted to a predetermined parameter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

6, for a process in which the oxygen is automatically controlled.

42, for a fluidized process in which sufficient oxygen is maintained to ensure elimination of carbon monoxide.