US PATENT SUBCLASS 127 / 54
.~.~.~.~.~ Dialysis

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}
54.~.~.~.~.~ Dialysis

DEFINITION

Classification: 127/54

The separation of impurities from the sugar solution is effected by differential diffusion through a permeable membrane or partition.

(1) Note. When the membrane is the cellular plant structure. Search this class, subclass 43, and indented subclasses.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

518+, for electrophoretic or electro-osmotic barrier separation (e.g., electrodialysis of sugars, starches, or carbohydrates, etc.).

205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions, appropriate subclasses for electrolytic treatment involving the use of a membrane, especially

697, for electrolytic treatment of sugar.