US PATENT SUBCLASS 502 / 30
.~.~.~ And gas addition thereto


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}
30.~.~.~ And gas addition thereto


DEFINITION

Classification: 502/30

And gas addition thereto:

(under subclass 29) Process which includes the step of subjecting the composition to the action of a gas.

(1) Note. The gas treatment may be concurrent with the liquid treatment.