US PATENT SUBCLASS 134 / 31
.~ Gas or vapor condensation or absorption oowork


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134 /   HD   CLEANING AND LIQUID CONTACT WITH SOLIDS

*  DD  PROCESSES {23}
31.~ Gas or vapor condensation or absorption oowork


DEFINITION

Classification: 134/31

(under the class definition) Processes in which a gas or a vapor is caused to be condensed upon or absorbed on the work.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11, for such subject matter combined with regeneration, purification, recovery, or separation of the treating agent other than when on the work, and see the notes thereto.

SEE OR SEARCH CLASS

202, Distillation: Apparatus,

170, for apparatus suitable for carrying out this process.