US PATENT SUBCLASS 241 / 20
.~.~ Liquids added to classify or separate material


Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  PROCESSES {17}
15  DF  .~ With application of fluid or lubricant material {5}
20.~.~ Liquids added to classify or separate material


DEFINITION

Classification: 241/20

(under subclass 15) Processes in which there is applied to the material a liquid which functions to effect a separation or classification of the material according to its physical characteristics.

(1) Note. See SEPARATION OF MATERIAL and Lines With Other Classes of the class definition for a statement relative to related art and the lines followed with other classes.

(2) Note. See Suspensions and Colloids under the Class Definition of this class for a statement relative to related art and the lines with other classes as to the formation of suspension or colloids by comminution.

SEE OR SEARCH THIS CLASS, SUBCLASS:

9+, for processes involving the use of a liquid separating or classifying agent as applied to cereal or other seeds.

38+, for comminuting or disintegrating apparatus combined with means to apply a liquid to the material either to effect a separation or classification or for some other purpose.

SEE OR SEARCH CLASS 209, Classifying, Separating and Assorting Solids, appropriate subclasses, for processes and apparatus for separating and classifying material including steps of or means for applying liquid to the material.