US PATENT SUBCLASS 502 / 33
.~.~.~ Oxygen containing

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}
22  DF  .~ Treating with a liquid or treating in a liquid phase, including dissolved or suspended {5}
29  DF  .~.~ Organic liquid {4}
33.~.~.~ Oxygen containing

DEFINITION

Classification: 502/33

Oxygen containing:

(under subclass 29) Process in which the organic material contains element number 8.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28, for a process utilizing an organic acid which may contain oxygen.