US PATENT SUBCLASS 204 / 562
.~.~.~.~ Using cohesive filter or solid packing

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

*  DD  PROCESSES AND PRODUCTS {7}
554  DF  .~ Electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation) {7}
559  DF  .~.~ Predominantly hydrocarbon {2}
560  DF  .~.~.~ Removing solids {2}
562.~.~.~.~ Using cohesive filter or solid packing

DEFINITION

Classification: 204/562

Using cohesive filter or solid packing:

(under subclass 560) Process in which a cohesive filter medium or bed of solid packing elements is used to remove the solids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

572, for electrical separation or purification of other liquids using a cohesive filter or solid packing.