US PATENT SUBCLASS 127 / 57
.~.~.~.~.~ Settling or flotation

Current as of: June, 1999
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127 /   HD   SUGAR, STARCH, AND CARBOHYDRATES

*  DD  PROCESSES {1}
34  DF  .~ Carbohydrate manufacture and refining {3}
42  DF  .~.~ Sugar manufacture and refining {3}
46.1  DF  .~.~.~ Treatment of sacchariferous solutions {5}
53  DF  .~.~.~.~ Physical separation of impurities {4}
57.~.~.~.~.~ Settling or flotation

DEFINITION

Classification: 127/57

Processes peculiar to the separation of impurities from sugar solutions of greater or less specific gravity than the impurities by the action of gravity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13, 27 and 69.

SEE OR SEARCH CLASS

209, Classifying, Separating, and Assorting Solids, appropriate subclasses indented under

155,.

210, Liquid Purification or Separation,

800+, for a purification process involving gravitational force.