.~ Treatment of liquid with nongaseous material other than water per se {2}
424
.~.~ Liquid contact to effect a separation
DEFINITION
Classification: 426/424
(under subclass 422) Processes involving the extraction of a constituent from a starting material utilizing a liquid as the extracting medium.
SEE OR SEARCH THIS CLASS, SUBCLASS:
425+, appropriate subclass for an extraction process using a liquid as the extracting medium and for processes for treating a solid material which may contain a liquid component, in particular subclasses 431+, for a method of using water as the extracting medium and for a method of using an aqueous extract as the extracting medium for the same type of food material, e.g., aqueous coffee extract for use on coffee, etc..
