US PATENT SUBCLASS 210 / 96.2
.~ With membrane

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

96.1  DF  CONSTITUENT MIXTURE VARIATION RESPONSIVE {1}
96.2.~ With membrane

DEFINITION

Classification: 210/96.2

With membrane:

(under subclass 96.1) Apparatus having a filtering means composed of a thin, enveloping or lining substance, i.e., membrane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

257.1, for a membrane within a storage unit in serially connected distinct treating apparatus.

348+, for apparatus which uses a semipermeable septum which does not provide for continuous streams on both sides of the septum.

433+, for similar apparatus which uses in ordinary filter septum.

500.1, for membrane, per se.

541, for membrane supports, frames, and spaces. 634+, for process of using a septum selective as to composition.

SEE OR SEARCH CLASS

127, Sugar, Starch, and Carbohydrates,

10, for a sugar solution dialyzer.

204, Chemistry: Electrical and Wave Energy,

252+, for a similar device using an electric current.

604, Surgery,

4+, for membrane separation devices used in blood treatment.